A Brief Guide to Vitamin C Serums
When I shared my skincare routine, the most frequent questions you asked concerned vitamin C, so here is my short guide on how I use it, why I like it and what are some of my favorite Vitamin C products.
Out of all the ingredients that skincare companies advertise as miraculous, vitamin C (along with retin A and retinoids) has been shown in independent, clinical studies to have real benefits. It’s a potent antioxidant that prevents sun damage. It increases the production of collagen, even in adult skin. It brightens the skin and helps to lighten sun spots. It’s anti-inflammatory, which means that it’s a good ingredient for those who struggle with acne or rosacea.
This is all good news. The bad news is that Vitamin C is highly unstable. Because it’s such a potent antioxidant, it begins to bind to free radicals of oxygen even when it’s still in the bottle. Which means that it becomes potentially damaging to the skin! The sure way to tell is if your Vitamin C serum has changed color and turned yellow or orange, but many brands cheat and add botanical colorants. Then, there are formulations that use so little Vitamin C, it makes no difference. Or they use a type that doesn’t convert to the active form in the skin.
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