![]() ![]() We especially recommend it if you are after skin brightening as this seems to be the strongest point of MAP. We have better news about the other two things: in-vitro data shows that MAP can boost collagen synthesis similar to AA (though in the case of AA it's proven in-vivo) and even better, MAP is proven to work as a skin brightener in-vivo (on real people).Ä«ottom line: when it comes to vitamin C derivatives, MAP is definitely an option. Regarding the three magic abilities of pure vitamin C (antioxidant, collagen booster, skin brightener), there is no published data about MAP's antioxidant or photoprotection capabilities. Even if it does, we don't know how good the conversion rate is (but to be fair the same is true for all other derivatives). The good news is that in-vitro data shows that MAP does convert, but the bad news is we do not really know if the same is true on real, living human skin. I put it on in the mornings before I put on my makeup and it helps strengthen and nourish your eyelashes so. Moreover, derivatives not only have to be absorbed into the skin, they also have to be converted into pure AA. This goes hand-in-hand with the Essential Serum. What is not so good is that, as the great review study about vitamin C derivatives in the Journal of Cosmetic Dermatology writes, MAP is "at very best, poorly absorbed in comparison to AA." MAP does solve the stability problem: it's stable up to pH 7, so far so good. ![]()
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