Sucrose Acetate Isobutyrate

TL;DR. This ingredient is primarily used as a film-former, plasticizer, and fragrance fixative, helping formulas leave a flexible, glossy, longer-lasting layer on skin, hair, or nails.

What does Sucrose Acetate Isobutyrate do in a cosmetic formula?

This ingredient is primarily used as a film-former, plasticizer, and fragrance fixative, helping formulas leave a flexible, glossy, longer-lasting layer on skin, hair, or nails.

Is Sucrose Acetate Isobutyrate clean?

It has low reported irritation and is not a common allergen, but clean-beauty frameworks may view it as a synthetic film-forming material rather than a natural-origin staple. Scrutiny is usually about manufacturing chemistry and residual processing materials, not day-to-day skin tolerance.

Is Sucrose Acetate Isobutyrate sustainable?

This material is made from a carbohydrate backbone that is chemically esterified, often using industrial acid derivatives. Its renewable-content story is mixed, and its hydrophobic, heavily modified structure makes biodegradability less straightforward than simple plant oils or sugars.

Is Sucrose Acetate Isobutyrate COSMOS-approved?

It is not a clear fit for COSMOS-organic or COSMOS-natural standards unless a supplier can document compliant feedstocks and processing, which is not the typical positioning for this material. From a Green Chemistry perspective, it has partial renewable origin but is compromised by extensive chemical modification and uncertain biodegradation profile.

How does Sucrose Acetate Isobutyrate work chemically?

The molecule is a dense, highly esterified carbohydrate derivative with multiple it and branched acid ester groups, which gives it high viscosity, low volatility, and strong film-plasticizing behavior. It is generally stable in anhydrous and low-water systems, but ester bonds can slowly hydrolyze under strongly acidic or alkaline conditions.

Last updated 2026-05-13