The Ordinary Alpha Lipoic Acid 5%.A Highly-Stable, Water-Free Alpha Lipoic Acid Solution.Alpha Lipoic Acid is a highly potent antioxidant and can restore a renewed skin appearance, improving visible skin texture and tone when applied topically. This formulation uses an exceptionally high 5% concentration of high-purity Alpha Lipoic Acid.2-3 drops over the entire face a maximum of 2-3 times per weeks.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.Normal skinCleansingLiquidsPipette applicator Shop At House Of Fraser