Ingredient Guide
Glyceryl Stearate
Also known as: Glyceryl Stearate, Glycerol Monostearate
All skin types
What It Is
An ester of glycerin and stearic acid. A widely used emulsifier and emollient in skincare formulas.
What It Does
Helps mix oil and water phases in emulsions (preventing separation), provides a smooth application texture, and conditions the skin.
Best For
Emulsification — functional formulation ingredient
Benefits
- Emulsifier — helps oil and water stay mixed in cream formulas
- Mild emollient properties
- Generally non-irritating and well tolerated
When to Be Careful
- Some reports of mild comedogenicity in very high concentrations — not a concern at typical usage levels
Commonly Found In
MoisturizersSunscreensEmulsionsCreams
FAQs About Glyceryl Stearate
What does glyceryl stearate do in a moisturizer?
It acts primarily as an emulsifier — keeping the oil and water phases of a cream from separating — while also contributing mild skin conditioning and smoothing.