GlyMed Plus Protective Skin Serum with CeramidesCell Protection Serum strengthens the skin's barrier by replenishes critical lipids lost from intrinsic aging and following clinical procedures. Balanced to identify with the skins natural epidermal environment, this ultra light and nourishing formula drenches the skin in humectants, ceramides, antioxidants, and other age fighting nutrients. This protects skin cells and combats the aging effects of free radical damage and daily lifestyle imbalances.