Who said salicylic acid was only for your face? Along with treating the acne on your face, salicylic acid does the same thing for your body as well. Acne on your body (like your back, arms or butt) is caused due to sweat accumulation and over production of oil. This active goes deep into your pores and pulls out the excess sebum that can lead to acne. This summer season, get ready to bid adieu to bumpy skin and bacne with these oil-fighting heroes that cleanse.