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Hydroxypropyl Methylcellulose Phthalate

INCI: HYDROXYPROPYL METHYLCELLULOSE PHTHALATE

Reviewed by Emma · Last updated 18 Aug 2026

What Is Hydroxypropyl Methylcellulose Phthalate?

Hydroxypropyl Methylcellulose Phthalate is the reaction product of Hydroxypropyl Methylcellulose and phthallic anhydride.

Its declared cosmetic function is oral care.

Source: European Commission CosIng inventory.

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