You will enjoy clear skin bha peels salicylic is a beta hydroxy acid and is available in 10 percent and 20 percent strengths with ph levels ranging from 09 to 20 it is a highly effective superficial peeling agent oil reducer and pore cleanser the lipophilic properties allow it to penetrate sebum filled follicles decongest clogged pores reduce sebum output while providing anti bacterial and anti inflammatory benefits to problematic skin 4 6 treatments recommended every 2 3 weeks home