How To Use: After cleansing your face, apply DEBAIY Vitamin C Serum until the skin feels moist. If using toner, apply first before using the serum Suggested: Use with sunscreen and segregation frost during the day Safe For: Women, men and teenage and old man. If you are pregnant, consult a doctor before use. Do not use if you have a history of allergies to the ingredients Main Effects: The serum is rich in Vitamin C, which breaks down and inhibits melanin production, promotes collagen production, revitalizes skin Contains 20% Vitamin C and scientific proportioning amount of 3-O-Ethyl Ascorbic Acid(20% Vitamin C), Sodium Hyaluronate, Polyamino Sugar Condensate, Glycerin, Carnosine, Triethanolamine, Ceramide, Hydrogenated Lecithin, Beta Carotene. Made with 100% Natural ingredients from Earth 3-O-Ethyl Ascorbic Acid(Vitamin C): 20% Vitamin C helps to breaks down melanin, improves antioxidant properties, and restores the skin's original color