BIODROGA MD CLEAR+ is a skincare range especially developed for the different skin conditions of impure skin. The formulations have been specifically developed to meet the needs of impure skin – whether dry, oily, or combination and no matter what the age. SALICYLIC ACID is a BHA acids and is fat soluble. Salicylic Acid can penetrate the sebum produced by the sebaceous glands and dissolve thickened cornified skin and dead skin cells. Salicylic acid is used in dermatology, particularly for skin conditions involving blackheads, pimples and whiteheads.