Hydroxypropyl cellulose
Thickener
Hydroxypropyl cellulose is a plant-based ingredient that helps make liquids thicker or holds ingredients together. It's often used in medicines to bind pills and in food to give products a smoother texture.
Source: FDA GRAS list
This ingredient is widely approved for use in food and pharmaceuticals and is considered safe for consumption in typical amounts.

What is HPMC? Hydroxypropyl Methyl Cellulose Explained
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An In Situ Gelling System for the Local Treatment of Inflammatory Bowel Disease (IBD). The Loading of Maqui (Aristotelia Chilensis) Berry Extract as an Antioxidant and Anti-Inflammatory Agent.
Tenci M, Rossi S, Giannino V
2019
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Last updated: May 16, 2026