Preservative
Diazolidinyl Urea in skincare: is it safe?
What it is
Diazolidinyl Urea is an ingredient Klyva classifies under Preservative.
Is it safe?
Klyva flags Diazolidinyl Urea at moderate concern. Slowly releases formaldehyde; a sensitizer.
Source: CIR review of formaldehyde-releasing preservatives
Quick answers
Does it clog pores?Not flagged by Klyva
Frequently asked questions
Is Diazolidinyl Urea safe?
Klyva flags Diazolidinyl Urea at moderate concern. Slowly releases formaldehyde; a sensitizer. Source: CIR review of formaldehyde-releasing preservatives.
Does Diazolidinyl Urea clog pores?
Diazolidinyl Urea is not flagged as pore-clogging by Klyva — though absence from the list isn't proof it's non-comedogenic for every skin.
Evidence
- CIR review of formaldehyde-releasing preservatives