- Target acne with Salicylic Acid- Exfoliates and treats acne for clearer, smoother skin- Penetrates deep into pores for effective treatmentThis serum was made to target acne with the power ingredient, Salicylic Acid, known for its exfoliating and anti-acne properties. By penetrating deep into the pores and exfoliating inside the pore, this can be an effective acne treatment for clearer, smoother skin.