The Pilgrim Salicylic Acid & Niacinamide Oil Control Serum is a gentle, yet effective, lightweight leave-on formula. It gently exfoliates to refine the tone & texture of the skin. Effectively unclogs pores to prevent breakouts & blemishes. Crafted with 2% BHA and 3% Niacinamide, it is the perfect potency serum to clear congested skin on an everyday basis. It trains the skin to regulate sebum and maintain a healthy exfoliation cycle. The water-based serum gets absorbed quickly and can be worn comfortably throughout the day. 2% Salicylic Acid is full strength Beta Hydroxy Acid (BHA) capable of penetrating deep into the pores to eliminate dead skin cells & debris.