Diazolidinyl Urea

What it’s used for: preservative

Where it can be found: anything water based such as shampoo and conditioners, lotions, gels, anti-aging treatments etc.

Why we don’t use it: Diazolidinyl Urea is a known harsh skin irritant. It also contains formaldehyde which has carcinogenic and skin irritant properties.

See if your favourite products contain this harmful ingredient.