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Hydroxypropyl Starch Phosphate

Hydroxypropyl Starch Phosphate

A modified starch that thickens water-based formulas and gives a soft, powdery, non-sticky finish.

What it does

Hydroxypropyl starch phosphate is a chemically modified plant starch. It thickens and gives body to water-based formulas, helps stabilize emulsions, and lends a soft, powdery, non-tacky finish that reduces greasiness. It is a texture-and-feel ingredient rather than an active.

This page is public and indexed on purpose (unlike profiles and drops, which are unlisted) — it’s the citation behind shared ingredient cards, and it should be findable.
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