Global Peel SalicylicSalicylic acid Salicylic acid is a low hydrophilic beta hydroxyacid, acting as a selective keratolytic in corneocytes resulting in a rapid thinning of the stratum corneum. Its exfoliating action is concentrated at the level of stratum corneum and in the first layers of the epidermis. Moreover, because of its lipophilicity, it easily penetrates the pilosebaceous ducts, controlling sebaceous secretion. It is very useful in eliminating keratin and