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how to preserve tretinoin and tazarotene


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14 replies to this topic

#1 rollo

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Posted 29 August 2009 - 04:27 AM


is it possible? i've read of several people reaching the expiration date...

i'm ordering from ADC and need to justify the high shipping cost...

thanks

#2 rollo

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Posted 30 August 2009 - 02:13 AM

how about freezing it in a ziplock? or fridge?

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#3 immortali457

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Posted 30 August 2009 - 11:53 AM

I keep mine in the fridge. Not the one I'm currently using. I'd not freeze it.

#4 rollo

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Posted 30 August 2009 - 09:17 PM

I keep mine in the fridge. Not the one I'm currently using. I'd not freeze it.


so you keep your extras in the fridge right? how long have you kept some in the fridge and used it?

currently my order from ADC is going to be 65+shipping which i'm ok with but if it's going to go bad anyway i might as well safe some money and order less...

#5 FigliodelVento

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Posted 31 August 2009 - 11:39 AM

I keep mine in the fridge. Not the one I'm currently using. I'd not freeze it.


so you keep your extras in the fridge right? how long have you kept some in the fridge and used it?

currently my order from ADC is going to be 65+shipping which i'm ok with but if it's going to go bad anyway i might as well safe some money and order less...


Hello
Tretinoin should not be kept in the fridge, just a dry and cool, but not the fridge.
In th fridge can spoil and become ineffective

#6 TheFountain

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Posted 31 August 2009 - 01:03 PM

I keep mine in the fridge. Not the one I'm currently using. I'd not freeze it.


so you keep your extras in the fridge right? how long have you kept some in the fridge and used it?

currently my order from ADC is going to be 65+shipping which i'm ok with but if it's going to go bad anyway i might as well safe some money and order less...


Hello
Tretinoin should not be kept in the fridge, just a dry and cool, but not the fridge.
In th fridge can spoil and become ineffective


How do you know this?

#7 Ali

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Posted 01 September 2009 - 01:29 AM

I keep mine in the fridge. Not the one I'm currently using. I'd not freeze it.


so you keep your extras in the fridge right? how long have you kept some in the fridge and used it?

currently my order from ADC is going to be 65+shipping which i'm ok with but if it's going to go bad anyway i might as well safe some money and order less...


Hello
Tretinoin should not be kept in the fridge, just a dry and cool, but not the fridge.
In th fridge can spoil and become ineffective


I would like to know too, how would storing tretinoin in a fridge cause it to become ineffective, ive been told thats actually the best way to store it!

#8 FigliodelVento

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Posted 01 September 2009 - 05:08 AM

I keep mine in the fridge. Not the one I'm currently using. I'd not freeze it.


so you keep your extras in the fridge right? how long have you kept some in the fridge and used it?

currently my order from ADC is going to be 65+shipping which i'm ok with but if it's going to go bad anyway i might as well safe some money and order less...


Hello
Tretinoin should not be kept in the fridge, just a dry and cool, but not the fridge.
In th fridge can spoil and become ineffective


I would like to know too, how would storing tretinoin in a fridge cause it to become ineffective, ive been told thats actually the best way to store it!



See here:
http://www.drugs.com...noin-cream.html

#9 Ali

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Posted 01 September 2009 - 02:21 PM

I keep mine in the fridge. Not the one I'm currently using. I'd not freeze it.


so you keep your extras in the fridge right? how long have you kept some in the fridge and used it?

currently my order from ADC is going to be 65+shipping which i'm ok with but if it's going to go bad anyway i might as well safe some money and order less...


Hello
Tretinoin should not be kept in the fridge, just a dry and cool, but not the fridge.
In th fridge can spoil and become ineffective


I would like to know too, how would storing tretinoin in a fridge cause it to become ineffective, ive been told thats actually the best way to store it!



See here:
http://www.drugs.com...noin-cream.html


Where does it say storing in a fridge or under 15oC causes it to become ineffective?!?

#10 FigliodelVento

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Posted 01 September 2009 - 05:14 PM

I keep mine in the fridge. Not the one I'm currently using. I'd not freeze it.


so you keep your extras in the fridge right? how long have you kept some in the fridge and used it?

currently my order from ADC is going to be 65+shipping which i'm ok with but if it's going to go bad anyway i might as well safe some money and order less...


Hello
Tretinoin should not be kept in the fridge, just a dry and cool, but not the fridge.
In th fridge can spoil and become ineffective



In my book of Pharmacology, and a lot of dermatologist and skincare tell me the information not fridge tretinoin.
I,m Tretinoin User and i store my tretinoin in cool dry room.


I would like to know too, how would storing tretinoin in a fridge cause it to become ineffective, ive been told thats actually the best way to store it!



See here:
http://www.drugs.com...noin-cream.html


Where does it say storing in a fridge or under 15oC causes it to become ineffective?!?



#11 immortali457

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Posted 01 September 2009 - 07:35 PM

I keep mine in the fridge. Not the one I'm currently using. I'd not freeze it.


so you keep your extras in the fridge right? how long have you kept some in the fridge and used it?

currently my order from ADC is going to be 65+shipping which i'm ok with but if it's going to go bad anyway i might as well safe some money and order less...


Hello
Tretinoin should not be kept in the fridge, just a dry and cool, but not the fridge.
In th fridge can spoil and become ineffective



In my book of Pharmacology, and a lot of dermatologist and skincare tell me the information not fridge tretinoin.
I,m Tretinoin User and i store my tretinoin in cool dry room.


I would like to know too, how would storing tretinoin in a fridge cause it to become ineffective, ive been told thats actually the best way to store it!



See here:
http://www.drugs.com...noin-cream.html


Where does it say storing in a fridge or under 15oC causes it to become ineffective?!?


Still does not say it's bad to store in the fridge. Has not affected mine.

#12 niner

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Posted 01 September 2009 - 08:01 PM

If it's compounded in an emulsion, getting it too cold could be a problem, I'd think. I certainly wouldn't freeze it. As long as it were stored well above the freezing point of any of its components, I can't imagine what the problem would be in just having it be cold. The freezing point of some of the components might be higher than you think, though.

#13 nancyd

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Posted 01 September 2009 - 09:17 PM

I thought the fridge would deteriorate it because it would cause condensation in the product. (When I contacted manufacturers about storing their supplements they say that's the reason not to store them in the fridge. I thought it may be the same for tretinoin so I always kept it out of the fridge just in case.)

Edited by nancyd, 01 September 2009 - 09:20 PM.


#14 Ali

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Posted 02 September 2009 - 10:06 PM

I thought the fridge would deteriorate it because it would cause condensation in the product. (When I contacted manufacturers about storing their supplements they say that's the reason not to store them in the fridge. I thought it may be the same for tretinoin so I always kept it out of the fridge just in case.)


Dont think ul get much condensation in an aluminium tube!!!

Edited by Ali, 02 September 2009 - 10:33 PM.


#15 nancyd

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Posted 04 September 2009 - 06:00 PM

figured out my question. pls delete.

Edited by nancyd, 04 September 2009 - 06:06 PM.





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