Boost 49% Rosehip Oil SerumA little bit of this rosehip oil goes a long way. Boost contains high levels of provitamin A and C, helping to restore your skins elasticity and collagen. 1 2 drops leaves your skin feeling soft and hydrated without any feelings of greasiness. Grapeseed and Vitamin E in this serum mean its also great for smoothing fine lines and helping with discoloration. Concentration of Key Actives: Rosehip Oil (49%), Grape Seed Oil (49%), Tocopherol (Vitamin E)