DR. STEINKRAUS NIACIN SERUM 30ml Full Size BNIB MADE IN GERMANY

DR. STEINKRAUS NIACIN SERUM 30ml Brand New in Box, never used or tested Smoke free and pet free home This serum contains 20% niacinamide and is enriched with collagen-strengthening copper ions. Excellently tolerated, niacinamide has been proven to be involved in a great many biochemical reactions to maintain healthy skin. As an all-rounder, it strengthens the skin barrier, has pigment-brightening, antimicrobial, pore-refining or sebum-regulating as well as skin-protecting and thus protective properties. As an effect, you will experience a more even complexion and a fresher appearance of the skin. The serum contains an effective concentration of 20% niacinamide and is enriched with collagen-strengthening copper ions and 0.3% hyaluronic acid. Niacinamide is an effective active ingredient whose regular use leads to improved skin structure and function