Our Watermelons Niacinamide Serum contains nicotinamide, sodium hyaluronate, nitrite. It can help to even skin tone, reduce enlarged pores, lighten skin tone, moisturize face, reduce dark spots and dull, help skin timely replenish and lock water, increase skin water content, and make skin glow. Its use method is very simple: after cleansing and toning, take 1-2 pumps of essence evenly apply on the face skin and gently massage in circles with your hand until absorbed, or mix the essence with daily skin care product foundation and use once in the morning and once in the evening for better effect. Helps balance skin tone, reduces the appearance of pores, and locks in moisture.