As long as it is fully absorbed, it will not interact with the film-formers in an O/W sunscreen. The film-formers are crucial for even UV protection of the sunscreen.
Eva, what is your thinking on applying a chemical+physical sunscreen (such as your own) on bare skin vs over an antioxidant serum with 8% oils? Im thinking of the Uriage Tinosorb M one.
Do you think the chemicals in it need to react with the bare skin for protection, or is adding extra AOX under the SS a good idea? Thx
MAC: Studio Moisture SPF 15 Lotion with 6.7% ZnO and 3.5% OMC. Very elegant sunscreens that is packed with very good antioxidants too.
Heymann, not EvaVictoria here, but I can recommend a good invisible zinc SS until hers is available: Pratima Neem Vetiver or Neem Rose Sunscreen Spf 30 has zinc oxide and isnt the least bit ghostly or pasty. Its in a lypholized lecithin base so is quite nice and has affinity for the skin. I use it as my moisturizer/sunscreen. Neither greasy nor drying. And doesnt have aloe vera or retinyl palmitate.
IONIZED WATER, NON-NANO MICRONIZED ZINC OXIDE 18.6%, ORGANIC EXTRACTS OF NEEM, LICORICE, IMPERATA CYLINDRICA EXTRACT, VITAMIN E, LECITHIN, ORGANIC ESSENTIAL OIL OF VETIVER, XANTHAN GUM. PratimaSkinCare.com
Oh I see youre in Germany! You may need to use some sort of 3rd party mailbox service since Prat doesnt ship outside of CONUS. buggers.
Tests have showed that Tinosorb M also has stabilizing effect on AVO. In this sunscreen I cannot see anything taht could destabilize AVO more than it naturally would. Although it is crucial with all organic sunscreens, to reapply them every 2h.
http://www.frenchcos...php?prod=160158
Uriage SPF 50+
Formula INCI: Aqua (water), carbonate dicaprylyl, Uriage thermal spring water, methylene bis-benzotriazolyl tetramethylbutylphenol, Butylmethoxydibenzoylmethane, ethylhexyl triazone, Glycerin, Nylon-12, PVP triacontanyl, butylene glycol, hydrogenated polydecenes, decyl glucoside, C20-22 Alkyl Phosphate, C20-22 alcohols, glucose, xanthan gum, chlorphenesin, benzoic acid, tetrasodium EDTA, tocopheryl acetate, o-cymene-5-ol, propylene glycol, trehalose, citric acid, sodium hydroxide, ascorbyl tetraisopalmitate.
A much better formula with broad-spectrum UV protection. I believe it is a light-feeling sunscreen. The only drawback is the lack of more anti-oxidants.
EvaVictoria, please indulge me once more if you will... This Uriage Children's SS is quite nice and cosmetically elegant. Can you comment on the stability of the avobenzone in it in the presence of Tinosorb M? I understand that Tinosorb S stabilizes Avobenzone, but Im curious as to why Uriage is using Tinosorb M here. Uriage has not answered my question about it. Thank you! eagerly awaiting your own sunscreen to be available.Any idea how this works and how much it costs? It sounds like a good sunscreen, even If I don't understand how it can be non-whitening if its got 18% micro ZnO...Oh I see youre in Germany! You may need to use some sort of 3rd party mailbox service since Prat doesnt ship outside of CONUS. buggers.
Sorry, I have no idea. I think if you have friends in the States you could ask them to send it to you?