Retinol B3 is a unique renegerating dermatological serum, formulated with the anti-aging reference molecule Retinol [Pure + Gradual Release] combined with Vitamin B3, also known as niacinamide, which repairs the skin. Its combination of highly effective anti-aging dermatological molecules, with compensating actives, guarantee tolerance. Ingredients: [0.3% Retinol] Pure retinol + progressive release retinol. Stimulates cell renewal. Pro-collagen action. [Vitamin B3] Also known as Niacinamide, it reduces irritation and signs of photoaging. [Adenosine] Reduces and prevents the appearance of wrinkles. [Glycerin] Provides and retains hydration in the skin.