Urea
HumectantNaturalAlso known as: Carbamide, Hydroxyethyl Urea
A natural component of the skin's NMF (Natural Moisturizing Factor). At different concentrations, it hydrates, exfoliates, or treats hyperkeratotic conditions.
Deep hydration (low %), gentle exfoliation (10-20%), treats dry/rough skin, improves penetration of other actives, barrier support.
Low concentrations (2-10%) for hydration. 10-20% for mild exfoliation. 20-40% for keratosis and very rough skin (feet, elbows).
Well-established component of NMF. Studies show urea improves skin hydration, barrier function, and at higher concentrations treats keratosis pilaris and psoriasis.
- open wounds (high concentrations)
- inflamed skin (high concentrations)
Cautions
Higher concentrations (>10%) may sting on broken or inflamed skin. Very high concentrations are keratolytic, not just moisturizing.
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