BE AWARE OF FAKE PRODUCTS.The La Roche-Posay Retinol B3 Serum is an anti-ageing serum formulated with 0.3% retinol and niacinamide. The exfoliating nature of retinol combined with the skin cell renewing properties of niacinamide, helps the serum address visible signs of ageing such as wrinkles, fine lines, dull skin, and more