Preservativemedium risk Common irritant
Imidazolidinyl Urea
INCI · Imidazolidinyl Urea
A formaldehyde-releasing preservative. Can cause allergic reactions.
Why dermatologists flag it
Formaldehyde releaser - can sensitize over time
Names to look for on labels
Imidazolidinyl Urea appears under any of these names — manufacturers choose between INCI, common, and local-language terms freely.
Imidazolidinyl UreaGermall 115Imidureaइमिडाज़ोलिडिनाइल यूरिया
Common product categories
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