[BIOHEAL BOH] Vitamin Retinol Repair Ampoule 30ml[BIOHEAL BOH] Vitamin Retinol Repair Ampoule 30ml This retinol ampoule gently removes dead skin cells for a smooth and clearer complexion without irritation. Contains niacinamide and allantoin to brighten and even out skin texture. The refreshing watery formula gives a smooth finish. Completed non comedogenic test for acne prone skin. How to Use Apply a moderate on the face following the skin texture. Recommend not to use it with other products