Causes of skin allergies:
- Nickel . A metal frequently encountered in jewelry and clasps or buttons on clothing causes skin allergies.
- Gold (gold sodium thiosulfate). A precious metal often found in jewelry.
- Balsam of Peru (myroxylon pereirae). A fragrance used in perfumes and skin lotions, derived from tree resin.
- Thimerosal. A mercury compound used in local antiseptics and in as a preservative in some vaccines.
- Neomycin sulfate. A topical antibiotic common in first aid creams and ointments, also found occasionally in cosmetics, deodorant, soap, and pet food.
- Fragrance mix. A group of the eight most common fragrance allergens found in foods, cosmetic products, insecticides, antiseptics, soaps, perfumes, and dental products.
- Formaldehyde. A preservative with multiple uses. It's found in paper products, paints, medications, household cleaners, cosmetic products, and fabric finishes.
- Cobalt chloride. Metal found in medical products; hair dye; antiperspirant; objects plated in metal such as snaps, buttons or tools; and in cobalt blue pigment.
- Bacitracin. A topical antibiotic.
- Quaternium 15. A preservative found in cosmetic products such as self-tanners, shampoo, nail polish, and sunscreen or in industrial products such as polishes, paints, and waxes also the reason of skin allergies.
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