Always a healthy and radiant appearance with Four Win Revitalizing & Tone Equalizing Serum. • It is formulated to eliminate the problems of skin tone differences that occur over time and loss of skin color due to deterioration in pigment structure. It regulates and balances the differences in the skin's pigment structure by nourishing the skin with its special formula containing Niacinamide and Vitamin C. It does not dry the skin with its Aha complex. How to use ? Apply a few drops on clean and dry skin. Help it be absorbed into your skin by gently massaging it with your fingertips. When using cosmetic products, make sure that at least 15 minutes pass between using two products. Avoid contact with eyes.