Know Your Ingredients: Alpha Lipoic Acid

by Gio

alpha lipoic acid

What it is
Alpha Lipoic Acid is an enzyme.

What it does
Alpha Lipoic Acid is a powerful antioxidant that is soluble both in fat and water. It also has the ability to regenerate other antioxidants such as Vitamins C and E. However, all the studies published so far on Alpha Lipoic Acid were conducted in vitro (ie done in an artificial environment and not on human skin), so, even though the results look promising, we don’t know yet if this ingredient is effective when applied topically.

Side effects
Alpha Lipoic Acid, like all antioxidants, degrades and thus loses its efficacy overtime, when exposed to light. In addition, when used in concentrations of 5% or higher, it can cause stinging, burning and mild rashes.

(Sources: British Journal of Dermatology, October 2003, pages 841–849, and Journal of Clinical Biochemistry and Nutrition, May 2009, pages 218–222)

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