Behenic Acid
Explained
Behenic acid is a long-chain fatty acid with 22 carbon atoms (C22) that is naturally found in moringa, rapeseed, and peanut oil.
In skincare, it's about as drama-free as ingredients come. It acts primarily as a texture enhancer, thickener, and opacifying agent that gives richness and viscosity to formulas.
On skin, it forms a protective, emollient layer that helps with moisture retention and contributes to barrier integrity.
In vitro studies on genotoxicity have come back negative and this ingredient is well-tolerated. Typical use concentrations range from 0.024%-22%.
This ingredient may not be fungal acne safe because Behenic acid falls within the C11-24 fatty acid range capable of supporting Malassezia growth.
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