Self tanner products contain dihydroxyacetone (DHA) and erythrulose, which are both safe dyeing ingredients that can help you achieve a healthy glow even in the dead of an Iowa winter. How does it work? These agents interact with the proteins in the outermost layer of skin and produce a darker skin color. Within three to seven days after the product has been applied, the cells from the epidermis fall off and your tan will fade.
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