Dermalogica Special Cleansing Gel. Looking to overhaul your skin look this winter? Check out Dermalogica’s #1 selling cleanser, globally. Soap-free, foaming gel cleanses all skin conditions. It is designed to refresh and lather the skin thoroughly while removing impurities. It does all this without disturbing the skin’s natural moisture balance. This iconic cleanser contains naturally-foaming Quillaja Saponaria. This helps to gently rinses away toxins and debris to leave skin feeling smooth and clean. It is lightweight and mild enough to use every day. This gel also features calming Balm Mint and Lavender extracts to soothe the skin.