Lactic Acid is a skincare ingredient that exfoliates and one of the most popular Alpha Hydroxy Acids (AHAs). It is naturally occurring and found primarily in milk. it may very well be the reason milk is considered the fountain of youth. Cleopatra supposedly bathed in milk and was known to have beautiful skin.
Celebrities we love from Nia Long to Pharrell Williams swear thatexfoliatingis the secret to their youthful looking skin, and we have to agree. Exfoliation takes skin from good to radiant by sloughing off dead skin, revealing new and glowing skin underneath.