La Roche-Posay Retinol B3 is the perfect anti-aging serum for the skin. It is able to fight signs of aging without irritating the skin. It contains pure retinol that stimulates cell renewal and increases collagen production. It gives the skin a radiant and smoother appearance. Glycerin moisturizes the skin and helps restore the skin's barrier. Niacinamide has anti-inflammatory properties. It helps reduce dryness and soften the skin. The serum is able to help reduce the appearance of fine lines and wrinkles and to even out the texture and tone of the skin without irritating the skin.