Cosmetic urea is made industrially by reacting ammonia with carbon dioxide under high heat and pressure, a well-established process. Urea also occurs naturally in skin and sweat as part of the skin's own natural moisturizing factor, but that's a separate fact from how the cosmetic raw material is actually produced:...
How is it used?
Add it to the water phase at cooldown, generally below about 40 to 50°C, to limit thermal breakdown and ammonia off-gassing. Keep the formula's pH in a moderate range to slow its natural tendency to degrade in water.
Forms
Available forms and grades affect how this ingredient behaves and how it should be selected for a formula.
Appearance
Color, texture, and physical characteristics can vary between suppliers and product grades.
Usage rate
Recommended incorporation levels depend on product type, supplier guidance, and the intended result.
Why we use it
Formulators choose this ingredient for specific performance, sensory, and stability benefits.
Strengths and limitations
Its advantages, compatibility considerations, and practical tradeoffs should be weighed during development.
Alternatives and substitutions
Possible replacements depend on the ingredient's role, desired skin feel, and formulation system.
Storage and shelf life
Appropriate storage conditions help protect quality and performance throughout the ingredient's usable life.
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