7 day serum ampoule treatment for all skin types & every day use. Vitamin-C is a powerful antioxidant, vegan formulaUse:Vitamin-C ampoules for seven days, for all skin types. With 4D hyaluronic acid for hydration. Use a tissue to break the ampoule, be careful this is a glass bottle. Use the entire ampoule at once. Pour the serum into your hand palm. Apply the serum on the face and neck using your fingertips. No need to rinse off. Use 7 pieces in a row, 1 per day.7x2 ml Sencebeauty Face Treatment Kit Vitamin-C Ampoules 14 ml