Salicylic Acid Serum Benefits: This cleansing face serum was made for acne treatment and clearing up your complexion. It hydrates and balances skin while targeting clogged pores and excess oil. Regular use can prevent acne, blemishes and even provide calming effects to the skin. How To: Before bed, after cleansing and toning, apply a thin layer on desired areas or over the entire face. Do not apply to or near the eye area. If the product gets into the eyes, rinse well with water. For best results, apply to clean skin at night and moisturize your skin during the day. This product can be used daily and even in the mornings.