Cholesteryl Esters
Cholesteryl Esters — lipid compounds formed from cholesterol combined with fatty acids, which occur naturally among the skin's barrier lipids. In skincare they act as emollient and conditioning ingredients that help support a smooth, supple skin surface and complement other barrier lipids.
Key points
- Cholesteryl esters are derivatives of cholesterol, one of the key lipid families that make up the skin barrier.
- They function as emollients, helping soften and smooth the skin surface in cosmetic formulas.
- These esters are often used alongside ceramides and fatty acids to reflect the barrier's natural lipid balance.
- Cholesterol and its esters are considered part of the trio of core barrier lipids together with ceramides and free fatty acids.
Frequently asked
What role do cholesteryl esters play in skincare?
They act mainly as emollient and conditioning ingredients that help smooth the skin and support its lipid content. They are frequently paired with ceramides and fatty acids in barrier-focused formulas.
Are cholesteryl esters the same as cholesterol?
They are closely related but not identical; cholesteryl esters are formed when cholesterol is bound to a fatty acid. Both belong to the cholesterol family of lipids found in the skin barrier.
Related topics
This is a foundational entry in the SYNC Skin Encyclopedia and is expanded over time. Educational information only — not medical advice.
