Dermalogica's Skin Hydrating Booster is a supersaturated, oil-free, hydrating mix-in gel that boosts hydration in your favourite moisturiser. Hyaluronic Acid, Panthenol, Glycolipids and nutrient-rich Algae Extract help restore moisture balance, hydrate and the smooth the skin. Skin instantly feels hydrated after using with no tightness. Formulated without artificial fragrances and colours. Certified cruelty-free by Leaping Bunny and PETA. How to use: Best applied following your Dermalogica Double Cleanse and Prescribed Dermalogica Toner. Apply 5 pence-sized amount into hands and apply all over the face and neck area. Follow with your Prescribed Dermalogica Moisturiser and SPF. Can also be mixed in with your favourite Dermalogica Moisturiser.