What it is
Stearyl behenate is the ester formed from behenic acid (C22 fatty acid) and stearyl alcohol (C18 fatty alcohol), producing a high-melting wax. It is used to add body and structure to anhydrous and emulsion systems, helping to thicken and stabilize sticks, balms, and creams. On skin it leaves a smooth, conditioned emollient feel.
Safety & warnings
Fatty-acid wax esters such as stearyl behenate are generally regarded as well tolerated and low-irritant. As a heavy wax it is best evaluated within the finished formula for those prone to clogged pores, though it is not a recognized strong comedogen.
Origin & sourcing
Synthetic ester typically derived from plant-sourced fatty acids and fatty alcohols.
Questions everyone asks
What is stearyl behenate made from?
It is a wax ester combining behenic acid and stearyl alcohol, both long-chain fatty materials usually of plant origin.
What does it do in a sunscreen?
It works as an emollient and structuring wax that thickens the formula and helps give sticks and balms their firmness.