5% Niacinamide Serum with Ectoin - Key IngredientsNiacinamide and acetyl glucosamine work together to help renew and smooth the skin texture and the appearance of enlarged pores, along with helping to brighten the skin tone for a more radiant, even complexion.Ectoin boosts hydration and helps defend the skin from external aggressors, supporting our barrier function. - 5% Niacinamide Serum with Ectoin