Calamine

Calamine is a generic term used to describe one of two mixtures that appear in many topical ointments and lotions. It can be either:
*Zinc oxide combined with a small amount of ferric oxide
*Smithsonite
Calamine is largely used to relieve itching and to provide relief from sunburn, rashes, poison ivy, poison oak, insect bites, and even varicella. It also has antiseptic properties and can absorb fluids from blisters and acne.
Calamine at Wikipedia
Category:Pharmaceuticals