Contact allergens
Materials that cause a reaction where they touch the skin. 2 guides, each with its sources.
Hevea brasiliensisLatexNatural rubber latex comes from the sap of the rubber tree. Its proteins can cause reactions from hives to anaphylaxis, and some foods, such as banana, cross-react.NickelNickel is a metal in jewelry, coins, keys, zippers and other everyday items. It can cause allergic contact dermatitis, an itchy rash where it touches the skin.