La Roche-Posay Effaclar Serum is an ultra-concentrated anti-imperfection treatment designed for adult acne-prone skin. This powerful serum combines exfoliating acids with soothing niacinamide to target persistent blemishes, enlarged pores, and uneven texture while providing anti-aging benefits. The serum contains a blend of active ingredients including salicylic acid, LHA, and glycolic acid that work together to unclog pores and promote cell renewal. The formula also features La Roche-Posay Thermal Spring Water known for its soothing properties. It is dermatologically tested and suitable for sensitive skin. For best results, apply in the evening to clean, dry skin. The product comes in a 30ml bottle with a dropper applicator for precise dispensing.