EWG Safety Score
What Is Glyceryl Stearate?
Glyceryl stearate is a mixture of portions of glycerin and stearic acid. While it's found naturally in the human body and can be animal-derived, most glyceryl stearate used in cosmetics is plant-derived (such as from olive oil or coconut) or produced synthetically. In its raw form it is a white or cream-colored wax-like solid.
Glyceryl stearate functions as an emollient, surfactant, and emulsifier in skin care products. Its emulsifying properties are highly versatile, making it a valuable and gentle addition to several types of emulsions, such as oil-in-water or water-in-oil, where it helps support the benefits of skin-replenishing ingredients such as ceramides and fatty acids. Its moisturizing properties help skin look and feel softer and smoother. It also forms a barrier on skin, helping prevent water loss. In addition, glyceryl stearate is used as a food additive.
The Cosmetics Ingredient Review Panel has found glyceryl stearate to be safe within its typical usage levels of 1–10%. Studies have also shown it to be non-sensitizing, and plant-derived glyceryl stearate is allowed for use in cosmetics and personal care products marketed in Europe.
Clinical Evidence & References
Published Research
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Cosmeticsinfo.org, Accessed November 2021, ePublication Cosmeticsinfo.org, 2021
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Drugs in Context, April 2018, pages 1-14 Drugs in Context, 2018
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International Journal of Toxicology, May 2007, pages 1–30 International Journal of Toxicology, 2007
From the Clinic
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Glyceryl Oleate
Emollient and emulsifier
Glyceryl Ricinoleate
Synthetic and/or plant-derived blend of glycerin and castor oil derivative
Glyceryl Rosinate
Versatile ingredient found in skin care, makeup, and beverages
Glyceryl Stearates
A gentle emollient derived from glycerin and stearic acid, used to soften and condition skin
Glyceryl Triacetyl Ricinoleate
A lightweight occlusive that conditions skin without leaving residue
Glyceryl Tribehenate …
A plant-derived emollient that softens and conditions the skin barrier
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