Salicylic acid as a medication is used commonly to remove the outer layer of the skin. As such, it is used to treat warts, psoriasis, acne vulgaris, ringworm, dandruff, and ichthyosis.

Application

Salicylic acid is a keratolytic (peeling agent) that causes shedding of the outer layer of skin. Salicylic acid topical (for the skin) is used in the treatment of acne, dandruff, seborrhea, or psoriasis, and to remove corns, calluses, and warts.