Salicylic acid is a phytochemical and a class of phenolic acid, belonging to the group of Flavonoids (polyphenols), found a bundantly in peppermint, licorice, peanut, wheat, etc. Health benefits 1. Comedonal Acne In the comparison of lipohydroxyacid and salicylic acid peels in subjects with comedonal acne, found that there was a statistically significant decrease of …