Dilinoleic Acid/Butanediol Copolymer ●
TL;DR. It is a film-forming polyester used to add gloss, cushion, water resistance, and a flexible feel in makeup, hair, and skin formulas. It can also help structure oil phases and improve pigment or shine retention.
What does Dilinoleic Acid/Butanediol Copolymer do in a cosmetic formula?
It is a film-forming polyester used to add gloss, cushion, water resistance, and a flexible feel in makeup, hair, and skin formulas. It can also help structure oil phases and improve pigment or shine retention.
Is Dilinoleic Acid/Butanediol Copolymer clean?
From a clean beauty perspective, this ingredient is generally low-irritation because it is high molecular weight and not readily skin-penetrating. The main points are synthetic-polymer policy differences and supplier controls for residual monomers or catalysts rather than routine sensitization concerns.
Is Dilinoleic Acid/Butanediol Copolymer sustainable?
It is partly based on vegetable-oil fatty-acid chemistry, while the small-diol portion and processing route can be petrochemical or bio-based depending on supplier. As a hydrophobic polymer, its ultimate biodegradation is less straightforward than simple plant oils, so environmental profile depends on molecular weight and degradation data.
Is Dilinoleic Acid/Butanediol Copolymer COSMOS-approved?
It is not a straightforward COSMOS-organic ingredient, and COSMOS-natural acceptance is supplier-specific because polymeric ester materials must meet origin, reaction, and impurity requirements. From a Green Chemistry lens, it scores better when made from renewable fatty-acid feedstocks and clean esterification, but weaker when fossil-derived diol input or limited biodegradation data are involved.
How does Dilinoleic Acid/Butanediol Copolymer work chemically?
The molecule is a polyester formed by condensation of a dimerized C18 unsaturated fatty-acid unit with a small diol, giving a flexible, hydrophobic, high-molecular-weight film former. It is typically used in low single-digit percentages, disperses best in oil phases, and is generally stable across normal cosmetic pH ranges, though ester polymers can hydrolyze under strongly acidic or alkaline conditions.
Last updated 2026-05-13