Arganicare Collagen Boost Night Cream 50 ml/100 ml: 133.98 EUR

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The only good thing we can write about Ascorbyl Palmitate is that there is an in-vitro (made in the lab, not on real people) study showing that it might be able to boost collagen production.

Third, THDA seems to have all three magic abilitiesof pure vitamin C: it gives antioxidant protection from both UVB and UVA rays, it increases collagen synthesis (even more than AA) and it has a skin brightening effect by reducing melanogenesis by more than 80% in human melanoma cell cultures.So, argan oil comes from the kernel of the argan fruit that comes from the argan tree that grows only in Morocco. The tree is slow growingand getting the oil is a hard job. The traditional process is that the ripe argan fruits fallfrom the tree, then goats eat them up and poop out the seeds. The seedsare collected and smashed with a stone to get the kernels inside. This part is the hard one as the seeds have extremely hard shells. Once the kernels are obtained, the oil is pressed out from them (the kernels contain about 50% oil).

When it comes to cosmetic oils and hype, argan oil is for sure leading the way. Dubbed as the " liquid gold of Morocco", we have to admit we have some trouble determining why this oil enjoys such a special miracle status. Not that it's not good, it is good, even greatbut reading the research about argan and a bunch of other plant oils we just do not see the big, unique differentiating factor (though that might be our fault not reading enough, obvs.) Second, a study that examined the skin absorption of vitamin C found that ascorbyl palmitate did not increase the skin levels of AA. This does not mean thatascorbyl palmitate cannot penetrate the skin (because it can, it's oil soluble and the skin likes to absorb oil soluble things) but this means that it's questionable ifascorbyl palmitate can be converted into pure Vit C in the skin. Even if it can beconverted, the palmitate part of the molecule is more than the half of it, so the efficacy will not be good and we have never seen a serum that contains a decent (and proudly disclosed) amount of AP. We are highly skeptical what effect a tiny amount of AP has in a formula. With thiscontext in mind let's see what THDA might be able to do. First, it is stable (if pH < 5), easy to formulate, and a joy to work with for a cosmetic chemist. Third, another study that wanted to examine the antioxidant properties of AP was surprised to find that even though AP does have nice antioxidant properties; following UVB radiation (the same one that comesfrom the sun) it also promotes lipid peroxidation and cytotoxicity. It was only an in-vitro study meaning that it was done on cellcultures and not on real people, but still, this also does not support the use of AP too much. We found that most of the Arganicare products are manufactured by Peer Pharm and Aderet-Peer Pharm. The manufacturers provide Arganicare with a steady supply of products, and they have a good cooperative relationship with each other.Regarding the skin-brightening properties of pure vitaminC, this is another magic property AP does not have, or at least there is no data, not evenin-vitro,about it. Firstly, it's stability is only similar to that of pure ascorbic acid (AA), which means it is not really stable. A great study in the Journal of Cosmetic Dermatology compared a bunch of vitamin C derivatives and this derivative was the only one where the study said in terms of stability that it's "similar to AA". Not really that good.