Clarifying salicylic acid booster. An all-natural active ingredient for exfoliating blemish-prone skin. Optimize your skincare routine with a potent dose of salicylic acid. This ultra-gentle BHA exfoliator made from wintergreen and white willow bark extract gently removes dead skin cells that clog pores and lead to blackheads, while keeping blemishes at bay. These highly effective natural boosters can be used alongside your usual products to complement your skincare routine with highly concentrated, non-irritating active ingredients. How to use: Mix 1-2 drops with moisturizer or serum or apply directly to skin.