THE INKEY LIST Salicylic Acid Cleanser A must-have for those with acne-prone skin, this Salicylic Acid Cleanser is formulated with a zinc compound to help control excess sebum, while allantoin - an anti-irritant, helps soothe and protect skin.  The Inkey ListThe Inkey List Salicylic Acid Exfoliating Scalp Treatment Exfoliating the scalp is vital to remove dead skin, product build up and give the roots the chance to thrive and lift versus being weighed down.