Garnier SkinActive Fast Clear Booster Serum with Salicylic Acid is a powerful solution for tackling acne and its aftermath. Formulated with the highest concentration of 4% Salicylic Acid, Vitamin C, Niacinamide, and AHA, this Salicylic Acid serum works effectively to target excess oil, clogged pores, and inflammation caused by acne. After the first use, it reduces excess oil by 35% and boosts radiance by 46%. With consistent use over 28 days, it helps to visibly reduce pimples by 90%. Salicylic acid penetrates deep into pores, while Niacinamide helps to brighten and even out skin tone, making this serum a must-have for clearer, more radiant skin.