Questions from Patreon: Retin A, retinol, and retinoids (part two)
Last Thursday, we started looking at retin A, retinol, retinoids, Vitamin A, and carotenoids, so let's resume that fascinating topic!
In the August Q&A on Patreon, Mildred asked: Question pls: Can I use a glycolic toner followed by a Retin A cream" I read a blog that these two needs to be used on alternate days but I can't seem to find that writing any more.
And Mercedes asked: I would like to know more about using Vitamin A and its derivatives in different products. I know some things are medical grade, but I mean things like retinols and learning which suits which skin types the best.
I found this great interview with Dr Leslie Baumann, creator of the Baumann Skin Type Indicator, which I write about a lot in the skin chemistry section of the blog. That's the one that looks at a few different variables - dry or oily, resistant or sensitive, and so on. It's a great system! ?You have to also be careful not to use a product that has ingredients that can render the active ingredient useless. Vitamin C (L ? Ascorbic Acid), Glycolic (AHA), and salicylic acid and kojic acid can break down retinol and retinoids.? Retinoids and acids simply function better when applied separately. This is because of a two-part enzymatic oxidation process in which retinol is converted within your skin to become active: Ffirst to retinaldehyde, then to all-trans retinoic acid. Retinol oxidation is optimized at a neutral pH (Nature...
Fuente de la noticia:
Point of Interest
URL de la Fuente:
http://swiftcraftymonkey.blogspot.com
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