Topix Replenix Restorative Nighttime Bio-Therapy is an advanced trans-dermal penetrating night cream which penetrates your skin to ensure optimal delivery of actives and gradual hydration, maximizing effectiveness. This product combats skin dryness, enhances barrier function overnight and is active in lipid replenishment. Its powerful delivery system is designed to attract, hold and distribute moisture, nourishing your dry skin to leave it looking supple, firm and soft. This product is suitable for long-term use. It is highly recommended for those who wish for well-hydrated and nourished skin.