A powdery compound containing zinc oxide and either zinc carbonate or ferric oxide. It is commonly used in skin care products to relieve symptoms caused by poison ivy, poison oak, mosquito bites, sunburns, diaper rash, and various other irritants.

Calamine powder can have a soothing effect on dry, damaged, or inflamed skin. It may also prevent infections in some circumstances, and it is safe for regular use. While allergies are rare, they can be serious; immediately seek medical help if you notice swelling, pain, or other symptoms after applying calamine.