Sebacic Acid ●
TL;DR. This ingredient is used mainly as a pH adjuster and buffering acid, helping bring formulas into the target acidity range. It may also support formula feel or stability in systems that need a longer-chain organic acid.
What does Sebacic Acid do in a cosmetic formula?
This ingredient is used mainly as a pH adjuster and buffering acid, helping bring formulas into the target acidity range. It may also support formula feel or stability in systems that need a longer-chain organic acid.
Is Sebacic Acid clean?
From a clean-beauty perspective, it is a low-friction ingredient with no major restricted-list profile. Like most acids, it can be irritating at high levels or low final pH, so the finished formula matters more than the material itself.
Is Sebacic Acid sustainable?
This material is commonly sourced from castor oil, a renewable plant feedstock, rather than from petrochemical routes. It is expected to biodegrade and is not known for environmental persistence or bioaccumulation concerns.
Is Sebacic Acid COSMOS-approved?
It is generally permitted in COSMOS-natural and COSMOS-organic formulations when sourced and processed as an allowed chemically processed agro-ingredient. Its renewable origin, simple chemistry, and biodegradability give it a strong Green Chemistry fit.
How does Sebacic Acid work chemically?
The molecule is a saturated C10 aliphatic dicarboxylic acid with two carboxyl groups, giving it weak-acid behavior and limited water solubility compared with shorter-chain acids. It is typically used only as needed for pH adjustment or buffering, is stable under normal cosmetic processing, and forms salts when neutralized with bases.
Last updated 2026-05-13