Re-Balancing Catalyst Deep Hydrator with Argan, Alpine Rose and Grape Skin Plant Stem Cells offer a unique solution for those who desire gentle daily exfoliation and elevated nourishment. Infused with powerful antioxidants, Resveratrol and Ferulic Acid, moisture is delivered to the skin through natural origin humectants which leave the skin feeling superbly smooth. Flower-derived Acids encourage cellular turnover, supporting optimal barrier function and hydration. Directions: After cleansing and toning and once serum is fully absorbed, apply a small amount to face and neck and massage in gently. apply a small amount to face and neck and massage in gently.