Cos De BAHA NZ Niacinamide 20% + Zinc 4% Serum 30mlThis serum is formulated with 20% niacinamide and 4% zinc to shrink pores and even skin tone, hyaluronic acid to hydrate skin and Vitamin B3 to protect it from UV light. Formula is suitable for sensitive skin. This NZ Niacinamide 20 Zinc PCA 4 Serum contains 20% Niacinamide and 4% Zinc that helps to reduce pore size and even out skin tone in order to improve sensitive skin. Free of harsh chemicals and hydroquinone, which makes it extremely gentle and