Vitamin C (Ascorbic Acid) helps your skin to replace old, dead cells with new, fresh ones. Within ELBBUB's best Vitamin C Serum, many super powerful & potent ingredients work together to bring to life a totally youthful combination for your face & body. DIRECTIIONS: Can be applied twice daily(morning and night). However, we recommend using the product once per day, working your way up to twice per day. ➭ 1. Wash your face as usua and pat dry. ➭ 2. Apply a thin layer of serum over desired areas. ➭ 3. Allow to dry. ➭ 4. After serum has dried completely, apply your favourite moisturizer. WARNINGS: For external use only. Not for ophthalmic or oral use. If you currently use any prescriptions or medications for your skin or face please notify your doctor before using. STORAGE: Store in cool dry place way from sunlight. Keep out of reach of children.