• Aug 3, 2025 Dry Skin And Moisturizers Chemistry And Function Dermatology Clinical Basic Science ure into the SC Glycerin hyaluronic acid and urea are examples of humectants They are particularly helpful in humid environments 3 Emollients These soften and smooth the skin by filling in the gaps between corneocytes improving skin flexibility and reducing roughness They essentially act as mortar r By Gaetano Gutmann