What is it? 
Myroxylon Pereirae Resin (Balsam of Peru) is a natural mixture of Resins and essentials oils. A positive patch test is an indication of allergy to fragrances and flavors. 
How can I avoid it? A positive patch test response to Myroxylon Pereirae Resin (Balsam of Peru) strongly suggests a fragrance and/or a spice allergy. You need to use fragrance-free skin care and household products. Foods and oral care products may also contain Myroxylon Pereirae Resin (Balsam of Peru). Direct contact with foods or products containing Balsam of Peru may cause symptoms including burning, irritation and redness. Direct contact may occur on the skin, lips or mouth. It is possible, but rare, that ingestion of this substance could cause generalized symptoms such as itching or redness of the skin. Skin contact with Myroxylon Pereirae Resin is required for it to cause a rash. Discontinuation of exposure to products containing Myroxylon Pereirae Resin should result in improvement and/or resolution of your dermatitis. By law, all products made in the US for topical use have the ingredients listed either on the product package or the box that contains it, so check the labeling of your skin care products for this ingredient. If there is no information ask your pharmacist or call the company directly. At work, request a material safety data sheet (MSDS) to help identify potential sources of exposure.

  • Balsams of pine and spruce
  • Cleansing cloths, including baby wipes
  • Flowers 
  • Skin Care Products / Cosmetics m Antiperspirants / Deodorants
    • Hair sprays, gels, tonics and lotions
    • Hair Colorants / “Permanents-Relaxers”
    • Soaps / Cleansers m Shampoos / Conditioners
    • Moisturizers
    • Make-ups 
    • Powders / Sprays 
    • Sunscreens 
    • Lip preparation 
    • Toothpaste
  • Medications, topical, prescription and over the counter such as 
    • Anesthetics 
    • Antiseptics
    • Creams, ointments, solutions 
    • Foot and other powders 
    • Nasal decongestants
    • Traditional Chinese medications 
    • Hemorrhoidal suppositories and ointment 
    • Surgical dressings 
    • Dental cement 
    • Cough medicine, lozenges 
    • Anti-itch preparations 
    • Tincture of benzoin
  • Fragrances: Perfumes / Colognes / After-shaves / Toilet water 
  • Household products
    • Cleaning Products / Soaps / Detergents (A preferred household cleaner is dilute white vinegar.) 
    • Furniture polish
    • Laundry care (detergent, softeners)
  • Paints
  • Veterinary use for indolent wounds, dog mange, ear mites
  • Insect repellents
  • Flavorings
    • Citrus fruit peel 
    • Artificially baked goods 
    • Cola and other soft drinks 
    • Apertifs
    • Spices - cinnamon, cloves, vanilla, nutmeg, paprika, curry 
    • Perfumed tea, coffee, and tobacco

How safe is it?

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