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Skin contact with diazolidinyl urea

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Diazolidinyl urea is a preservative mainly used in cosmetics to protect them from bacteria, yeasts and molds. While preservatives rarely cause allergies and irritation, they are a way to keep our cosmetic and personal care products safe. Without them, products can spoil or become contamina

What is it?
Diazolidinyl urea is a preservative mainly used in cosmetics to protect them from bacteria, yeasts and molds. While preservatives rarely cause allergies and irritation, they are a way to keep our cosmetic and personal care products safe. Without them, products can spoil or become contaminated with bacteria.

It is mainly found in cosmetics.

How can I avoid it?
Skin contact with diazolidinyl urea is required to cause a rash. Stopping exposure to products containing diazolidinyl urea should improve and/or resolve your dermatitis. The most common cause of allergic contact dermatitis from diazolidinyl urea is cosmetics preserved with this chemical. By law, all topical products made in the United States have ingredients listed on the product packaging or box, so check the ingredient labels in your cosmetics. At work, ask for a Safety Data Sheet (SDS) to help identify potential sources of exposure.

Some people who are allergic to formaldehyde are also sensitive to diazolidinyl urea because diazolidinyl urea releases small amounts of formaldehyde. Individuals sensitive to diazolidinyl urea may need to avoid storage with formaldehyde or formaldehyde-releasing agents such as:

DMDM Hydantoin (Glydant)
imidazolidinyl urea (Germall)
2-bromo-2-nitropropane-1,30diol (Bronopol)
Quaternium-15
Tris nitromethane (Tris Nitro) Tris Nitro is an industrial fungicide not normally found in skin, hair or cosmetics
use:
The following is a partial list of products known to contain diazolidinyl urea in the past.
Skincare/Cosmetics
anti aging treatment
Aftershave
baby wipes
body wash
bubble bath
Dental supplies and mouthwash
cleasing milk
hair care products
Hair Dye/"Permanent Relaxer"
makeup
blush
concealer
eyeliner
eye shadow
face powder
Base
lipstick
Moisturizer/Lotion/Essence
powder/spray
Shampoo/Conditioner
shaving supplies
Soap/Cleanser/Household Detergent
sunscreen
Medications, topicals, prescription and over-the-counter medications such as
Anesthetic
preservative
Creams, ointments, solutions
Foot Powder and Other Powders
nasal decongestants
wound dressing
industrial
cutting fluid
cleanser
liquid soap
detergent
pet shampoo
For "brown" baked goods (pretzels)

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