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Cosmetic ingredient (INCI)

Polyurethane-33

Used in cosmetic products as binding. Polyurethane-33 is a complex polymer formed by reacting dimethylolpropionic acid and a polyester composed of Adipic Acid, Hexylene Glycol, Neopentyl Glycol with methylene dicyclohexyldiisocyanate (SMDI) to form a prepolymer. The prepolymer is neutralized with triethylamine and then chain-extended with hydrazine.

The chemical behind this ingredient

Structure, properties, safety data and price information live on the chemical page.

This ingredient is not linked to a single chemical in our database, which is common for blends, extracts and polymers. Post a buy request with the INCI name and suppliers will quote.

Frequently asked questions

What is Polyurethane-33 used for in cosmetics?

Polyurethane-33 is used in cosmetic products as binding. Polyurethane-33 is a complex polymer formed by reacting dimethylolpropionic acid and a polyester composed of Adipic Acid, Hexylene Glycol, Neopentyl Glycol with methylene dicyclohexyldiisocyanate (SMDI) to form a prepolymer. The prepolymer is neutralized with triethylamine and then chain-extended with hydrazine.

Is Polyurethane-33 restricted in cosmetics in the EU?

No EU restriction annex is recorded for Polyurethane-33 in our records. Rules change and differ by market, so always check the current regulation before you formulate.