Our 5-in-1 Facial Serum contains Hyaluronic Acid, Niacinamide, Vitamin C. It whitens the skin, lightens dark spots, removes wrinkles, is anti-ageing and increases skin activity. It is easy to use: after cleansing and drying your face, take out the product, squeeze an appropriate amount of liquid on your palm or face, apply evenly on your face and massage gently until absorption is complete. Skin whitening, improve dull yellow skin tone, regulate the uniformity of skin tone, lighten dark spots, reduce the production of melanin, lighten skin spots and acne marks, deep penetration of the skin moisturising, improve skin dryness and roughness of the skin anti-ageing firming skin, improve skin laxity and reduce wrinkles.