With physiological lipids to protect & maintain healthy skin.The Derma Membrane Structure (DMS) base, used uniquely in Physiogel products, is made up of natural lipids similar to the skin's (epidermis) physiologic lipids which are natural and essential components of normal healthy skin, hence, revitalizes very dry, irritated and sensitive skin or helps retain skin moisture and prevents skin dryness, thus, regenerates the skin lipid barrier, reduces water loss and provides protection against environmental triggers.