Main product description The effective vitamin serum containing niacinamide and zinc salt of pyrrolidone carboxylic acid with anti-inflammatory effect is suitable for all skin types, especially for oily and acne-prone skin, or skin affected by psoriasis, rosacea and other skin diseases. Niacinamide helps protect the skin from moisture loss and dehydration by enhancing its natural production of firming ceramides. The zinc salt of pyrrolidone carboxylic acid has an important role in sebum regulation, skin hydration and has antimicrobial effects. Allantoin softens and moisturizes the skin, has soothing and antimicrobial properties. The photo is illustrative, the color of the product may vary in individual lots.