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Salicylic acid is a type of exfoliating acid called a Beta Hydroxy Acid (BHA). It gently dissolves the sticky glue that binds oil and dead skin cells together inside your pores. In doing so it helps to disperse the gunk that can build up and turn into spots. It can improve the look of bumpy ?chicken skin? (AKA keratosis pilaris) and reduce the scaly skin associated with psoriasis ...
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