The Gua Sha tool is for gentle strokes on face or as a massage tool for the body. Face: Improve your overall skin tone, remove toxins, reduce facial puffiness, enhance blood circulation and lymphatic drainage. Can reduce wrinkles and by firming skin to make it dewy and lifted. Use with a facial oil such as RST Fortify Hydrating Oil and (optional) hydration spray such as RST Hydrate Nutrient Spray for best results. The oil aids in gliding the board against your skin and the spray aids in penetration of all products. Additionally, the oil is vital for collagen production. It seals in moisture helping to combat dryness, lipid dry skin, dehydration and skin suffering from transepidermal water loss. When used with RST Drench Hydrating Mist, Nourish will re-establish the protective acid mantle and promote barrier repair by replicating the natural way skin secretes oil.