Our sunscreen additive is formulated in house with all natural ingredients that really work! It contains high quality ultra micronized zinc oxide which is transparent when applied to skin. Combined with cold pressed carrier oils of jojoba, carrot tissue, sesame & willow herb infused rice bran, this additive can be added to the final stage of creams & lotions, & lip products for broad spectrum UV coverage. Oil based formulation. We recommend adding 2 - 3 TBSP of sunscreen additive per litre of cream and lotion. In lip products, try substituting the sunscreen additive for a portion of any of your base oils. May cause slight discoloration of your products, off white yellowish hue.