Technical name for the antioxidant alpha lipoic acid. Unlike many antioxidants that are either water-soluble or oil-soluble, thioctic acid is both. Despite claims to the contrary, alpha lipoic acid isnŠ—Èt the best antioxidant around. It is one of many that are beneficial for skin.
Viscosity Control,  Solvent,
A Highly-Stable, Water-Free Alpha Lipoic Acid Solution
Apply 2-3 drops over the entire face a maximum of 2-3 times per week. This treatment is highly concentrated and daily use is not recommended. Do not use on irritated or sensitive skin. Can be diluted with most oils per application to reduce strength.