Imidazolidinyl Urea
Preservative
Imidazolidinyl urea is a chemical used to prevent the growth of bacteria and mold in personal care products. It works by releasing formaldehyde, a gas that kills germs, but it can also cause some health problems.
Source: EWG Skin Deep
The safety concern with imidazolidinyl urea is the release of formaldehyde, a known carcinogen, which can cause skin irritation, allergic reactions, and potentially increase the risk of cancer.
What is diazolidinyl urea in herbal facewashes?- Dr. Rasya Dixit
Doctors' Circle World's Largest Health Platform
r/SkincareAddiction
[Product Question] Longshot, but would any of you have American product recs for something similar to this cleansing milk I bought in Czechia? It has a nice watery + thin texture, low fragrance. Sorry if this turns out to be a basic dupe of a popular product. Thanks in advance!
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Last updated: May 16, 2026