Chemicals used in shoe or clothing manufacturing: Tanning agents in leather; rubber accelerators and antioxidants in gloves, shoes, undergarments, other apparel; dyes

Cosmetics: Hair dyes, nail polish, nail polish remover, deodorants, moisturizers, aftershave lotions, perfumes, sunscreens

Skin products whose ingredients contain medications: Antibiotics (bacitracin, sulfonamides, neomycin), antihistamines (diphenhydramine), pain relievers (benzocaine)

Fragrances: Found in toiletries, soaps, and scented household products (such as detergent)

Metals: Nickel, cobalt, chromates, mercury, gold

Plants: Poison ivy Poison Ivy Poison ivy is an allergic contact dermatitis that causes a very itchy rash caused by exposure to the oil urushiol, which coats the leaves of poison ivy plants. An itchy, red rash and multiple... read more , poison oak, poison sumac

Rubber (including latex): Gloves, condoms, catheters, balloons, shoes