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Photo-aging in childhood


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#1 VictorBjoerk

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Posted 05 August 2008 - 08:49 PM


According to a study about 80% of ultraviolet photodamage to the skin occurs in the first two decades of life, is it already too late for a 20-year old to start using sunscreen and avoiding sun exposure? will the damage already done in childhood pop up later in life even if no further sun exposure happens?

#2 Ben

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Posted 06 August 2008 - 12:41 AM

crikey, I'd really like to know the answer to this one. I spent a lot of my first two decades on some beach in Israel. No sunscreen. Hence the sunspots on my face. I had no idea back then.

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#3 niner

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Posted 06 August 2008 - 03:07 AM

According to a study about 80% of ultraviolet photodamage to the skin occurs in the first two decades of life, is it already too late for a 20-year old to start using sunscreen and avoiding sun exposure? will the damage already done in childhood pop up later in life even if no further sun exposure happens?

I've heard that number as well. I think it's not even a generalization, but something less than that; an application of the well known "80-20 rule" perhaps? I suspect that it's not derived from any real data. I started using daily sunscreen only after the age of 50, and have noticed a significant improvement in my skin. I wish I could have started at 20! Consider yourself lucky, and get some good sunscreen. Maybe I'll look into fractional CO2 laser treatment (fraxel) when or if the price comes down to earth.

#4 Eva Victoria

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Posted 06 August 2008 - 10:53 AM

According to a study about 80% of ultraviolet photodamage to the skin occurs in the first two decades of life, is it already too late for a 20-year old to start using sunscreen and avoiding sun exposure? will the damage already done in childhood pop up later in life even if no further sun exposure happens?


Lot of the damage is already done already before the age of 10. The degree of the damage is dependent on the intensity of the UVR, time spent in UVR and skin type (I-VI). (It is also valid for any age.)

Even if the damage is already done it does not have to show on the surface of the skin at all. It is proven that regular sunscreen usage alone can let the skin rest and have a possibility to repair previous UV damage.
All in all, previous neglect of UV protection does not necessarily will show on the surface of your skin especially if you start sun avoidance and every day usage of sunscreens while you are still young (20-25 years old, preferably younger)!

#5 Cyberbrain

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Posted 06 August 2008 - 01:02 PM

Now I'm glad I wore a t-shirt every time I went to the beach!

But I have a friend, who is 18, that has never worn sunblock and for some reason he doesn't get sunburn and he has no moles. He's been to the beach everyday of every summer his whole life. Will this have any severe affects in his future?

#6 VictorBjoerk

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Posted 06 August 2008 - 11:28 PM

at 18 you won't have any photo damage if you not have been exposed very much.


Eva: For us living in Scandinavia, if the skin really repair UV damage why do so many scandinavian people have photo damage, I mean there is virtually no UV index at all between October and March so the skin has a lot of time to heal.How long may it take to reverse?
also TIO2 and Zink oxide are not very healthy according to the swedish government apparently penetrating the skin and produce free radicals which may cause cancer. So what kind of sunscreen do you use and what do you recommend?

#7 Eva Victoria

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Posted 07 August 2008 - 02:50 PM

at 18 you won't have any photo damage if you not have been exposed very much.


Eva: For us living in Scandinavia, if the skin really repair UV damage why do so many scandinavian people have photo damage, I mean there is virtually no UV index at all between October and March so the skin has a lot of time to heal.How long may it take to reverse?
also TIO2 and Zink oxide are not very healthy according to the swedish government apparently penetrating the skin and produce free radicals which may cause cancer. So what kind of sunscreen do you use and what do you recommend?


Hi Shonghow!

Let me say some words about being 18 and having photo damage:
It is already there, BUT not visible! And it should stay that way (I mean, invisible!) ;)

Second: photo damage is already detectable at the age of 10 :( (Even in children who live in Scandinavia with not Scandinavian skin (Skin type III f.ex) North of the Polar Circle AND always using good sunscreens every day between April and Sept. :(

About Scandinavians:
In the South of Scandinavia, South of Trondheim the UV index is max 6 (for a very few days a year), otherwise it is about 4.5-5 in the summer.
As you correctly write "virtually no UV index at all between October and March". But there is one problem with us Scandinavians:
Our skin is poorly pigmented (Skin typeI or II; no need for that in a climate like this) but we do not let our skin "be" in the climate it was designed for.
We have a lot of money and we travel a lot to Southern parts of the world. Areas that are designed for people with much higher pigmentation in their skin (Skin Type IV-VI)
So basically we are very good at destroying our skin fast! Solarium use in the winter, unprotected sun exposure in the Scandinavian summer and usage of bad sunscreens in Southern parts of the world.

I always had a theory about our skin: we are fully capable of protecting ourselves without any help (sunscreen, antioxidants) as long as we keep ourselves to the promises we are designed to live in.
Basically, as long as you don't put your skin out in direct sunlight only if you must, you'll keep your youth(fulness) for a very long time.
Relying only on sunscreen is not a good idea either. They cannot protect you fully (they are not even correctly applied!).

The key is to avoid sun exposure!
If you cannot
Cover up
use a broad-rimmed hat+ big sunglasses
and on areas it is not possible to cover:
High SPF sunscreen with very good UVA protection thickly applied.

Never put your skin intentionally in the sun (suntanning on the beach or in the park is a big NO NO).
People who avoid sun in their life by choice or by coincidence, look always younger, less lined later in life (30+), than people who worship the sun.
We in Scandinavia have not understood this yet :(

ZnO and TiO2 is fully approved sunscreen agents in the EU.
TiO2 does have some oxidizing activity when UV-light however there are coated versions of it that are widely used in sunscreens today. (Chemical sunscreens have also oxidant-activity!).
ZnO is a physical filter that both scatters and filters UV-light. Its filtering abilities are in the whole UVB and UVA range! (As long as it is not micronized!)
It has extremely low oxidant activity in the skin. It is also used as a soothing ointment for very sensitive skin, eczema and babies!
It is whitening, and the whiter it is the better filtering abilities it has in the UVA2-UVA1 range.

I still believe that a good sunscreen with high UVA protection should contain ZnO (preferably with TiO2 or chemical sunscreen agents in the UVB and UVA range to boost its UVB/UVA protection).
It is not common in the EU to have sunscreens with ZnO, EU manufacturers prefer AVO (which looses its efficiency in UV light, like all chemical filters do).
ZnO does not decompose in UV light! The most photostable filter besides TiO2, Mica, Iron Oxide.

I would recommend EU-made sunscreens, particularly:

Bioderma Photoderm Minerale SPF 50+ (UVA22) with TiO2, ZnO
Bioderma Photoderm SPF 50+ (UVA 35) with Tinosorb S+M, AVO, OC
La Roche Posay AntHelios SPF 50+ UVA 28 (creme, fluide) with OC, TinosorbS, Mexoryl SX+XL, AVO
Avene Spf 50+ with OMC, Tinosorb S+M (could be better with adding Ethylhexyl Tirazone and ZnO / AVO)
Nivea Light Feeling Sensation SPF30 and 50 (could be better with adding 5-20% ZnO)
Nivea DNAge sunscreen Spf 50 (could be better with adding 5-20% ZnO)
Nivea DNAge sunscreen Spf 30 but only with adding 10-20% ZnO!
Aco/Cosmica: Spf 50 (OC, Tinosorb S+M, AVO) (At Scandinavian Pharmacies)

(I use long sleeved-topps and a hat every day! and on my face and hands:
Bioderma Photoderm Minerale SPF 50+ together with Avene Spf 50+ because I react to OC.
I also use my own sunscreen (SPF50+, UVA 54) particularly when I cannot avoid being outside longer (30min+) with Tinosorb S+M, TiO2, OMC, Ethylhexyl Tirazone, Polysilicone 15, ZnO 20% in a silicone base.
In the winter (Oct-March) I also use Nivea Light Feeling Sensation SPF30 with 20% ZnO added which gives a very nice semi-matte finish to the skin).

I beleive that it is enough to use ONE sunscreen and reapply it every 2 h throughout the day for most people.
But I am a freak so I always use several sunscreens on top of each other to make sure I apply enough. It is not necessary for most!

It is also very important to use sunscreen every day on your face! It should be a good habit, hence it is equally important to choose a sunscreen you personally like! Even if the UVA protection is poorer (Nivea DNAge SPF30) but you like the consistency and the feel on your skin! It'll do you more good than using f. ex. LRP AntHelios Fluide Extreme SPF50+ (with a very good UVA protection) and hate it on your face and end up using less of the product and less frequently and maybe not even every day. You will end up protecting your skin less than using a weaker sunscreen but everyday!

"We are what we repeatedly do. Excellence, then, is not an act but a habit." Aristotle

#8 Eva Victoria

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Posted 07 August 2008 - 05:22 PM

Forgot to add that there is one more factor that determines how we age. That is the thickness of the Epidermis. Women tend to have thinner Epidermis than men and women with less Estrogen (at least when they are younger). Hence men (who don't exfoliate their skin; Retin-A, AHA, BHA, Azaleic Acid) age slower in the same climate from the age of approximately 16-18.

Edited by Eva Victoria, 07 August 2008 - 05:24 PM.


#9 VictorBjoerk

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Posted 10 August 2008 - 09:55 PM

Is photoaging something purely cosmetic (besides the risk of skin cancer) or do can sun exposure lead to other negative effects in the body?

I've read that the oxidative stress caused by UV Light can affect other parts of the body as well but many articles says that the sun is healthy except photo damage and the possibilities of skin cancer but not causing any other health problems.

Eva: out of curiosity, when did you start using sunscreen on a daily basis? do you have any particularly healthy lifestyle otherwise to promote youthful skin?


There have been a lot of reports in sweden regarding the dangers of some sunscreens like these

http://www.lakemedel...ge____7361.aspx

http://www.expressen...av-18-solkramer

http://www.nyteknik....ticle364293.ece

What are your comments about it?( I assume you may understand swedish)

#10 Eva Victoria

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Posted 11 August 2008 - 03:25 PM

Is photoaging something purely cosmetic (besides the risk of skin cancer) or do can sun exposure lead to other negative effects in the body?

I've read that the oxidative stress caused by UV Light can affect other parts of the body as well but many articles says that the sun is healthy except photo damage and the possibilities of skin cancer but not causing any other health problems.

Eva: out of curiosity, when did you start using sunscreen on a daily basis? do you have any particularly healthy lifestyle otherwise to promote youthful skin?


There have been a lot of reports in sweden regarding the dangers of some sunscreens like these

http://www.lakemedel...ge____7361.aspx

http://www.expressen...av-18-solkramer

http://www.nyteknik....ticle364293.ece

What are your comments about it?( I assume you may understand swedish)


Photo aging effects only the appearance. But UV-rays have damaging effects to the body's immune system otherwise. Too much of anything is not good, is it?
I never seen a reliable article/study about the healthy effects of the Sun except in skin diseases like Psoriasis and Eczema and protection against cancer in the elderly (50+).

I started using sunscreen I guess from day 1 with a biochemist as a father and only ZnO, I had a wonderful childhood ;)
My parents put sunscreen (ZnO paste, there was not much else in the 70s and 80s) as far as I remember from April till October. And I started using sunscreens on a daily basis from the age of 21 (Micronized TiO2 became available by then). But I quickly discovered that particle filter had to be white to have any effect against UVA rays. So I mixed ZnO into all my sunscreens. I still did not find one sunscreen without ZnO that I would use (without putting ZnO into it; but I guess it is just a habit that to feel protected I have to see whiteness on my face).
I was always discuraged to stay out in direct sunlight which I also do with my own children. Avoidance, cover-up and then sunscreen!
It is very important to get accostumed to good habbits when it comes to sun-safety or food.

I eat biologically/ecologically (preferably locally) produced food. A lot of raw vegies and fruits. Drink a lot of white-tea and green-tea. Never take supplements (they are bad for the kidneys). Have never smoked in my life and try to avoid secondhand smoke as well. (Borig life I know).

But I think the most important that I have learnt in life (which really can make a difference to your appearance) is:
Don't stress and
generally be very greatful for every day given to you in this planet.
Help others as much as possible without expecting anything in return.
It will shine through and make you look much younger specially after you have turned 30.

(I went to the movies on Friday and the ticket seller lady asked me whether I shall have a childrens ticket - up to 17 years old. It was a bit funny. But usually people mistake me for around 23-25 nowardays, which of course can be a disadvantage at work situations). I don't know whether I can thank it alltogether to sunscreen usage or it is genetical though. I have been in an experiment for the main hospital (Rikshospitalet) here recently and after measuring the thickness of the different layers of my skin, the elasticity of my skin so forth + the quality of my major inner organs they told me I was biologically 24 years old. So I guess it helps to live healthily and take care of ones skin. It gets also cheaper in the long run :p Sunscreen, a face wash and an occassional moisturizer (from the pharmacy) does not cost much, does it?! Others around 40 spend hundreds of Euros on their faces (every month without any effect, and often sunscreens are sadly not on their list).

The link you sendt:

http://www.lakemedel...ge____7361.aspx

I saw a sunscreen in a pharmacy in Sweden (Göteborg) made in Sweden with ZnO (and TiO2 + TinosorbM).
http://www.ccs-se.co...=245&parent=245

As I understood all these articles are about ZnO in nanoparticles (nano-size). They are about the reflecting abilities of Nano-ZnO inside the skin layers also. I agree with these articles and always recommend ZnO (full particle size! not nono neither micro form!; they don't have very good UVA protection either).
But full size ZnO that is quite whitening on the skin has far too big molecular size to cross through the Horny layer or get into the bloodstream (like it is feared with the nano-variant.)
Nano-ZnO is allowed in the US and AU. It is forbidden in the EU for the timebeing.

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#11 VictorBjoerk

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Posted 11 August 2008 - 09:59 PM

Is photoaging something purely cosmetic (besides the risk of skin cancer) or do can sun exposure lead to other negative effects in the body?

I've read that the oxidative stress caused by UV Light can affect other parts of the body as well but many articles says that the sun is healthy except photo damage and the possibilities of skin cancer but not causing any other health problems.

Eva: out of curiosity, when did you start using sunscreen on a daily basis? do you have any particularly healthy lifestyle otherwise to promote youthful skin?


There have been a lot of reports in sweden regarding the dangers of some sunscreens like these

http://www.lakemedel...ge____7361.aspx

http://www.expressen...av-18-solkramer

http://www.nyteknik....ticle364293.ece

What are your comments about it?( I assume you may understand swedish)


Photo aging effects only the appearance. But UV-rays have damaging effects to the body's immune system otherwise. Too much of anything is not good, is it?
I never seen a reliable article/study about the healthy effects of the Sun except in skin diseases like Psoriasis and Eczema and protection against cancer in the elderly (50+).

I started using sunscreen I guess from day 1 with a biochemist as a father and only ZnO, I had a wonderful childhood ;)
My parents put sunscreen (ZnO paste, there was not much else in the 70s and 80s) as far as I remember from April till October. And I started using sunscreens on a daily basis from the age of 21 (Micronized TiO2 became available by then). But I quickly discovered that particle filter had to be white to have any effect against UVA rays. So I mixed ZnO into all my sunscreens. I still did not find one sunscreen without ZnO that I would use (without putting ZnO into it; but I guess it is just a habit that to feel protected I have to see whiteness on my face).
I was always discuraged to stay out in direct sunlight which I also do with my own children. Avoidance, cover-up and then sunscreen!
It is very important to get accostumed to good habbits when it comes to sun-safety or food.

I eat biologically/ecologically (preferably locally) produced food. A lot of raw vegies and fruits. Drink a lot of white-tea and green-tea. Never take supplements (they are bad for the kidneys). Have never smoked in my life and try to avoid secondhand smoke as well. (Borig life I know).

But I think the most important that I have learnt in life (which really can make a difference to your appearance) is:
Don't stress and
generally be very greatful for every day given to you in this planet.
Help others as much as possible without expecting anything in return.
It will shine through and make you look much younger specially after you have turned 30.

(I went to the movies on Friday and the ticket seller lady asked me whether I shall have a childrens ticket - up to 17 years old. It was a bit funny. But usually people mistake me for around 23-25 nowardays, which of course can be a disadvantage at work situations). I don't know whether I can thank it alltogether to sunscreen usage or it is genetical though. I have been in an experiment for the main hospital (Rikshospitalet) here recently and after measuring the thickness of the different layers of my skin, the elasticity of my skin so forth + the quality of my major inner organs they told me I was biologically 24 years old. So I guess it helps to live healthily and take care of ones skin. It gets also cheaper in the long run :p Sunscreen, a face wash and an occassional moisturizer (from the pharmacy) does not cost much, does it?! Others around 40 spend hundreds of Euros on their faces (every month without any effect, and often sunscreens are sadly not on their list).

The link you sendt:

http://www.lakemedel...ge____7361.aspx

I saw a sunscreen in a pharmacy in Sweden (Göteborg) made in Sweden with ZnO (and TiO2 + TinosorbM).
http://www.ccs-se.co...=245&parent=245

As I understood all these articles are about ZnO in nanoparticles (nano-size). They are about the reflecting abilities of Nano-ZnO inside the skin layers also. I agree with these articles and always recommend ZnO (full particle size! not nono neither micro form!; they don't have very good UVA protection either).
But full size ZnO that is quite whitening on the skin has far too big molecular size to cross through the Horny layer or get into the bloodstream (like it is feared with the nano-variant.)
Nano-ZnO is allowed in the US and AU. It is forbidden in the EU for the timebeing.


a little offtopic but what kind of tests did they do to come up with the age of 24?

#12 Eva Victoria

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Posted 12 August 2008 - 03:40 PM

Is photoaging something purely cosmetic (besides the risk of skin cancer) or do can sun exposure lead to other negative effects in the body?

I've read that the oxidative stress caused by UV Light can affect other parts of the body as well but many articles says that the sun is healthy except photo damage and the possibilities of skin cancer but not causing any other health problems.

Eva: out of curiosity, when did you start using sunscreen on a daily basis? do you have any particularly healthy lifestyle otherwise to promote youthful skin?


There have been a lot of reports in sweden regarding the dangers of some sunscreens like these

http://www.lakemedel...ge____7361.aspx

http://www.expressen...av-18-solkramer

http://www.nyteknik....ticle364293.ece

What are your comments about it?( I assume you may understand swedish)


Photo aging effects only the appearance. But UV-rays have damaging effects to the body's immune system otherwise. Too much of anything is not good, is it?
I never seen a reliable article/study about the healthy effects of the Sun except in skin diseases like Psoriasis and Eczema and protection against cancer in the elderly (50+).

I started using sunscreen I guess from day 1 with a biochemist as a father and only ZnO, I had a wonderful childhood ;)
My parents put sunscreen (ZnO paste, there was not much else in the 70s and 80s) as far as I remember from April till October. And I started using sunscreens on a daily basis from the age of 21 (Micronized TiO2 became available by then). But I quickly discovered that particle filter had to be white to have any effect against UVA rays. So I mixed ZnO into all my sunscreens. I still did not find one sunscreen without ZnO that I would use (without putting ZnO into it; but I guess it is just a habit that to feel protected I have to see whiteness on my face).
I was always discuraged to stay out in direct sunlight which I also do with my own children. Avoidance, cover-up and then sunscreen!
It is very important to get accostumed to good habbits when it comes to sun-safety or food.

I eat biologically/ecologically (preferably locally) produced food. A lot of raw vegies and fruits. Drink a lot of white-tea and green-tea. Never take supplements (they are bad for the kidneys). Have never smoked in my life and try to avoid secondhand smoke as well. (Borig life I know).

But I think the most important that I have learnt in life (which really can make a difference to your appearance) is:
Don't stress and
generally be very greatful for every day given to you in this planet.
Help others as much as possible without expecting anything in return.
It will shine through and make you look much younger specially after you have turned 30.

(I went to the movies on Friday and the ticket seller lady asked me whether I shall have a childrens ticket - up to 17 years old. It was a bit funny. But usually people mistake me for around 23-25 nowardays, which of course can be a disadvantage at work situations). I don't know whether I can thank it altogether to sunscreen usage or it is genetical though. I have been in an experiment for the main hospital (Rikshospitalet) here recently and after measuring the thickness of the different layers of my skin, the elasticity of my skin so forth + the quality of my major inner organs they told me I was biologically 24 years old. So I guess it helps to live healthily and take care of ones skin. It gets also cheaper in the long run :p Sunscreen, a face wash and an occasional moisturizer (from the pharmacy) does not cost much, does it?! Others around 40 spend hundreds of Euros on their faces (every month without any effect, and often sunscreens are sadly not on their list).

The link you sendt:

http://www.lakemedel...ge____7361.aspx

I saw a sunscreen in a pharmacy in Sweden (Göteborg) made in Sweden with ZnO (and TiO2 + TinosorbM).
http://www.ccs-se.co...=245&parent=245

As I understood all these articles are about ZnO in nanoparticles (nano-size). They are about the reflecting abilities of Nano-ZnO inside the skin layers also. I agree with these articles and always recommend ZnO (full particle size! not nono neither micro form!; they don't have very good UVA protection either).
But full size ZnO that is quite whitening on the skin has far too big molecular size to cross through the Horny layer or get into the bloodstream (like it is feared with the nano-variant.)
Nano-ZnO is allowed in the US and AU. It is forbidden in the EU for the timebeing.


a little offtopic but what kind of tests did they do to come up with the age of 24?


They measured the thickness (and elasticity) of the Epidermis, Dermis and Hypo dermis with a special machine. The values corresponded to someone of the age of 23-25.
It was for a research project where I know one of the professors in Dermatology who wanted me to participate (to prove that long term use of sunscreen can prevent photo aging.
They also took some internal scans of my inner organs and found that they were in an exceptionally good shape even for someone in their early 20s.
(This was for my own initiative).

#13 VictorBjoerk

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Posted 19 August 2008 - 11:03 PM

Is photoaging something purely cosmetic (besides the risk of skin cancer) or do can sun exposure lead to other negative effects in the body?

I've read that the oxidative stress caused by UV Light can affect other parts of the body as well but many articles says that the sun is healthy except photo damage and the possibilities of skin cancer but not causing any other health problems.

Eva: out of curiosity, when did you start using sunscreen on a daily basis? do you have any particularly healthy lifestyle otherwise to promote youthful skin?


There have been a lot of reports in sweden regarding the dangers of some sunscreens like these

http://www.lakemedel...ge____7361.aspx

http://www.expressen...av-18-solkramer

http://www.nyteknik....ticle364293.ece

What are your comments about it?( I assume you may understand swedish)


Photo aging effects only the appearance. But UV-rays have damaging effects to the body's immune system otherwise. Too much of anything is not good, is it?
I never seen a reliable article/study about the healthy effects of the Sun except in skin diseases like Psoriasis and Eczema and protection against cancer in the elderly (50+).

I started using sunscreen I guess from day 1 with a biochemist as a father and only ZnO, I had a wonderful childhood :)
My parents put sunscreen (ZnO paste, there was not much else in the 70s and 80s) as far as I remember from April till October. And I started using sunscreens on a daily basis from the age of 21 (Micronized TiO2 became available by then). But I quickly discovered that particle filter had to be white to have any effect against UVA rays. So I mixed ZnO into all my sunscreens. I still did not find one sunscreen without ZnO that I would use (without putting ZnO into it; but I guess it is just a habit that to feel protected I have to see whiteness on my face).
I was always discuraged to stay out in direct sunlight which I also do with my own children. Avoidance, cover-up and then sunscreen!
It is very important to get accostumed to good habbits when it comes to sun-safety or food.

I eat biologically/ecologically (preferably locally) produced food. A lot of raw vegies and fruits. Drink a lot of white-tea and green-tea. Never take supplements (they are bad for the kidneys). Have never smoked in my life and try to avoid secondhand smoke as well. (Borig life I know).

But I think the most important that I have learnt in life (which really can make a difference to your appearance) is:
Don't stress and
generally be very greatful for every day given to you in this planet.
Help others as much as possible without expecting anything in return.
It will shine through and make you look much younger specially after you have turned 30.

(I went to the movies on Friday and the ticket seller lady asked me whether I shall have a childrens ticket - up to 17 years old. It was a bit funny. But usually people mistake me for around 23-25 nowardays, which of course can be a disadvantage at work situations). I don't know whether I can thank it altogether to sunscreen usage or it is genetical though. I have been in an experiment for the main hospital (Rikshospitalet) here recently and after measuring the thickness of the different layers of my skin, the elasticity of my skin so forth + the quality of my major inner organs they told me I was biologically 24 years old. So I guess it helps to live healthily and take care of ones skin. It gets also cheaper in the long run :) Sunscreen, a face wash and an occasional moisturizer (from the pharmacy) does not cost much, does it?! Others around 40 spend hundreds of Euros on their faces (every month without any effect, and often sunscreens are sadly not on their list).

The link you sendt:

http://www.lakemedel...ge____7361.aspx

I saw a sunscreen in a pharmacy in Sweden (Göteborg) made in Sweden with ZnO (and TiO2 + TinosorbM).
http://www.ccs-se.co...=245&parent=245

As I understood all these articles are about ZnO in nanoparticles (nano-size). They are about the reflecting abilities of Nano-ZnO inside the skin layers also. I agree with these articles and always recommend ZnO (full particle size! not nono neither micro form!; they don't have very good UVA protection either).
But full size ZnO that is quite whitening on the skin has far too big molecular size to cross through the Horny layer or get into the bloodstream (like it is feared with the nano-variant.)
Nano-ZnO is allowed in the US and AU. It is forbidden in the EU for the timebeing.


a little offtopic but what kind of tests did they do to come up with the age of 24?


They measured the thickness (and elasticity) of the Epidermis, Dermis and Hypo dermis with a special machine. The values corresponded to someone of the age of 23-25.
It was for a research project where I know one of the professors in Dermatology who wanted me to participate (to prove that long term use of sunscreen can prevent photo aging.
They also took some internal scans of my inner organs and found that they were in an exceptionally good shape even for someone in their early 20s.
(This was for my own initiative).


That sounds amazing, :)

What are your opinions regarding octocrylene? is it something to worry about?

What do you think about Garnier Ambre Solaire SPF 50+, do you think it is a good sunscreen?

#14 Eva Victoria

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Posted 20 August 2008 - 07:33 PM

Is photoaging something purely cosmetic (besides the risk of skin cancer) or do can sun exposure lead to other negative effects in the body?

I've read that the oxidative stress caused by UV Light can affect other parts of the body as well but many articles says that the sun is healthy except photo damage and the possibilities of skin cancer but not causing any other health problems.

Eva: out of curiosity, when did you start using sunscreen on a daily basis? do you have any particularly healthy lifestyle otherwise to promote youthful skin?


There have been a lot of reports in sweden regarding the dangers of some sunscreens like these

http://www.lakemedel...ge____7361.aspx

http://www.expressen...av-18-solkramer

http://www.nyteknik....ticle364293.ece

What are your comments about it?( I assume you may understand swedish)


Photo aging effects only the appearance. But UV-rays have damaging effects to the body's immune system otherwise. Too much of anything is not good, is it?
I never seen a reliable article/study about the healthy effects of the Sun except in skin diseases like Psoriasis and Eczema and protection against cancer in the elderly (50+).

I started using sunscreen I guess from day 1 with a biochemist as a father and only ZnO, I had a wonderful childhood :)
My parents put sunscreen (ZnO paste, there was not much else in the 70s and 80s) as far as I remember from April till October. And I started using sunscreens on a daily basis from the age of 21 (Micronized TiO2 became available by then). But I quickly discovered that particle filter had to be white to have any effect against UVA rays. So I mixed ZnO into all my sunscreens. I still did not find one sunscreen without ZnO that I would use (without putting ZnO into it; but I guess it is just a habit that to feel protected I have to see whiteness on my face).
I was always discuraged to stay out in direct sunlight which I also do with my own children. Avoidance, cover-up and then sunscreen!
It is very important to get accostumed to good habbits when it comes to sun-safety or food.

I eat biologically/ecologically (preferably locally) produced food. A lot of raw vegies and fruits. Drink a lot of white-tea and green-tea. Never take supplements (they are bad for the kidneys). Have never smoked in my life and try to avoid secondhand smoke as well. (Borig life I know).

But I think the most important that I have learnt in life (which really can make a difference to your appearance) is:
Don't stress and
generally be very greatful for every day given to you in this planet.
Help others as much as possible without expecting anything in return.
It will shine through and make you look much younger specially after you have turned 30.

(I went to the movies on Friday and the ticket seller lady asked me whether I shall have a childrens ticket - up to 17 years old. It was a bit funny. But usually people mistake me for around 23-25 nowardays, which of course can be a disadvantage at work situations). I don't know whether I can thank it altogether to sunscreen usage or it is genetical though. I have been in an experiment for the main hospital (Rikshospitalet) here recently and after measuring the thickness of the different layers of my skin, the elasticity of my skin so forth + the quality of my major inner organs they told me I was biologically 24 years old. So I guess it helps to live healthily and take care of ones skin. It gets also cheaper in the long run :) Sunscreen, a face wash and an occasional moisturizer (from the pharmacy) does not cost much, does it?! Others around 40 spend hundreds of Euros on their faces (every month without any effect, and often sunscreens are sadly not on their list).

The link you sendt:

http://www.lakemedel...ge____7361.aspx

I saw a sunscreen in a pharmacy in Sweden (Göteborg) made in Sweden with ZnO (and TiO2 + TinosorbM).
http://www.ccs-se.co...=245&parent=245

As I understood all these articles are about ZnO in nanoparticles (nano-size). They are about the reflecting abilities of Nano-ZnO inside the skin layers also. I agree with these articles and always recommend ZnO (full particle size! not nono neither micro form!; they don't have very good UVA protection either).
But full size ZnO that is quite whitening on the skin has far too big molecular size to cross through the Horny layer or get into the bloodstream (like it is feared with the nano-variant.)
Nano-ZnO is allowed in the US and AU. It is forbidden in the EU for the timebeing.


a little offtopic but what kind of tests did they do to come up with the age of 24?


They measured the thickness (and elasticity) of the Epidermis, Dermis and Hypo dermis with a special machine. The values corresponded to someone of the age of 23-25.
It was for a research project where I know one of the professors in Dermatology who wanted me to participate (to prove that long term use of sunscreen can prevent photo aging.
They also took some internal scans of my inner organs and found that they were in an exceptionally good shape even for someone in their early 20s.
(This was for my own initiative).


That sounds amazing, :)

What are your opinions regarding octocrylene? is it something to worry about?

What do you think about Garnier Ambre Solaire SPF 50+, do you think it is a good sunscreen?


Octocrylene is a very stabel and good UVB and partially UVA filter. It also stabilizes AVO. However, it can cause sever skin rashes, eczema in certain individuals. It can also sting on the skin badly.
I don't tolerate it unfortunately :(

Garnier Ambre Solaire SPF 50+ is a good sunscreen with Mexoryl SX+XL (also OCR+AVO). I used it for several years on my children till I finally understood why we all had rashes on our sunscreen-treated skin. It was OCR. Now they either use sunscreens that I make in the lab, without OCR or from Avene (OMC+TinosorbS+M) or Nivea Kids Spf50+ where I add additionally add AVO+ non-micro ZnO to boost UVA protection.




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