What it is
Polyglyceryl-10 Stearate is an ester of stearic acid and decaglycerin, giving it a high water affinity and good emulsifying power. It helps create stable oil-in-water emulsions and is favored in formulas aiming for a mild, skin-friendly profile. In sunscreens it contributes to a smooth texture and helps keep UV filters evenly dispersed.
Safety & warnings
Polyglyceryl esters are generally regarded as gentle, with low irritation and sensitization potential, which is why they are often selected for sensitive-skin and mild formulations. It is not a recognized fragrance allergen.
Origin & sourcing
It is plant-derived, made by combining stearic acid with polyglycerin, both of which are commonly sourced from vegetable oils.
Questions everyone asks
What does Polyglyceryl-10 Stearate do?
It is an emulsifier that binds oil and water together, helping creams and sunscreens stay smooth and stable.
Is it considered a gentle ingredient?
Yes. Polyglyceryl esters are typically chosen for mild, sensitive-skin-friendly formulas due to their low irritation potential.