Ingredient N° 24
Hydration at low levels, smoothing at higher ones.
Urea is part of skin’s natural moisturizing factors. Lower concentrations hydrate, while higher concentrations also soften thick, rough surface skin, making the percentage important to how a product should be used.
Worth knowing
Higher percentages can sting irritated or cracked skin; check the concentration and intended area.
Sources checked · 2026-07-18
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