Remescar Niacinamide Serum 30 ml - 10% Niacinamide for Face CareThe niacinamide serum is a very versatile serum and can be used for numerous skin problems. Thanks to its mild composition, the serum is suitable for all skin types, even for most sensitive skin types. Strengthens and protects your skin barrier: Niacinamide serum stimulates the formation of ceramides and free fatty acids. These natural skin fats provide a protective layer on the skin. This strengthens the skin's barrier function and the skin loses