This patient information on DMDM Hydantoin 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.

Skin contact with this chemical or products that use this chemical may result in an allergic eczema (dermatitis). If you currently have eczema this allergen may be the cause, but it may also be unrelated. Other factors may be related to your condition. The information below will help you avoid this allergen.

This chemical is used as a preservative and its most common skin exposure is with cosmetics and shampoos. This is a formaldehyde-releasing agent and may cross reaction in formaldehyde sensitive individuals.

Where is chemical found?

Antiarrhythmic agents
Anticonvulsive agents
Color photography
Copy paper
Cutting oils
Floor waxes
Hair conditioners
Latex paints
Skin care products

Hints on avoiding chemical:

Always Check product labels and use only ingredient labeled products that do not list this chemical or its synonyms.
If your spouse uses products, which are on the list, skin to skin transfer may occur.

Other names you may see this chemical listed as:

1,2-dimethylol-5,5-dimethyl hydantoin
1,3-bis (hydroxymethyl)-5,5-dimethyl-2,4-imidazolidinedione
Dantoin DMDMH
Dimethyloldimethyl hydantoin
DMDM hydantoin
Glydant Plus (95:5 misture of DMDM hydantoin and Ido propynyl butyl carbamate)
Mackgard DM
Nipaguard DMDMH

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