Zinc oxide, is a white, powdery mineral with a long history of use as sun protection. It is also used to create other products, such as diaper rash ointments and makeup. It is used as a bulking agent and a colorant. Zinc Oxide, is used as a skin protectant and a sunscreen. Zinc oxide works as a sunscreen by reflecting and scattering UV radiation. Sunscreens reduce or prevent sunburn and premature aging of the skin. It is used to treat or prevent minor skin irritations such as burns, cuts, and diaper rash.