Most antioxidant ingredients share a general approach. Alpha Lipoic Acid is more targeted than most. Both water- and oil-soluble antioxidant; regenerates vitamins C and E; anti-glycation.
The scientific name is Thioctic Acid. Both water- and oil-soluble antioxidant; regenerates vitamins C and E; anti-glycation. This mechanism is consistent across properly formulated products, which means the real variable is concentration and delivery system.
Typical working concentration is 0.5–5%. Best suited to normal, oily skin. Primary applications: antioxidant protection, reduces fine lines, brightens.
Works well with: Vitamin C, vitamin E, niacinamide. Avoid combining with: Benzoyl peroxide.
Can cause tingling; start at low concentration.