Iodopropynl Butylcarbamate

This patient information on Iodopropynl Butylcarbamate is provided by John L. Meisenheimer, M.D. a board certified Dermatologist and skin care specialist based in Orlando, Florida. This information is not intended as a substitute for the medical advice or treatment of a dermatologist or other physician.

The results from your patch testing showed a positive reaction (contact allergy) to Iodopropynl Butylcarbamate. Your immune system reacts with its defense mechanisms with each exposure of Iodoprpynl Butycabamate to your skin. It is unknown why certain individuals develop allergic sensitivities. In some it may take repeat exposures over long periods of time before an allergy develops. Once you have become sensitized (allergic) your immune system always “remembers” and you will be Iodopropynl Butylcarbamate sensitive. If you currently have eczema this chemical may be the cause but other factors may play a role as well. The information below will help you avoid this allergen.

This chemical has been used for water-based paint and wood preservative and in metalworking fluids.

In recent years this chemical has proven to be safe preservative and now is most commonly used in cosmetics.

Where is chemical found?

Body lotions
Body wash
Face treatment
Facial Moisturizer
Hair treatment (leave in)
Hand dish soap
Metalworking fluids
Water based paints
Wood preservative

Hints on avoiding chemical:

Choose products listed only on your personalized contact allergen database, which has been provided to you. Products listed on your contact allergen resource database will be free of Iodopropynl Butylcarbamate and safe to use.
It may take 2 to 3 weeks of avoiding exposure before improvement of your eruption begins.
Minimize exposure to rubber in home and work environments; vinyl and silicone products are okay.

Other names you may see this chemical listed as:

3-Iodoprop-2-ynyl butylcarbamate

© John “Lucky” Meisenheimer, M.D.  2019