Natural Ingredients Glycolic Acid (Alpha Hydroxy Acid) 10% AHA Serum Not Tested on Animals Cos De BAHA Glycolic Acid 10 AHA Serum contains Alpha Hydroxy Acid (AHA) 10% and Herb Extracts as active ingredients. Cos De BAHA produces the cosmetic products in facilities certified by the Korea KFDA. Cos De BAHA products are created from the effective ingredients formulated according to scientific research that determines the precise blend of the most effective scientific ingredients. We will always try to make products that are safe and effective on the skin.