Top 10 surprising causes of skin allergies.

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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