Hydroxypropyl Starch Phosphate

Hydroxypropyl starch phosphate is a plant-derived, chemically modified starch that disperses in water for cosmetic use. It creates creamy, lightweight textures, reduces greasiness, improves suspension, and gives a soft-focus, matte finish in formulas.
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Ingredient Snapshot

Overview
A modified starch that cuts shine and gives a soft-focus, matte look.
Category
Skin Conditioning, Oil Control
Type
Thickener

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Visibly reduces unwanted shine and makes skin feel less greasy. Contributes to a softer look by diffusing the appearance of pores and unevenness.

Uses In Skincare & Cosmetics

Common in mattifying primers, oil-control moisturizers, and lightweight gel-creams. Also used in powder-to-cream foundations and clarifying cleansers for a balanced finish.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Typically well tolerated with minimal irritation potential; may increase dryness or a tight feel on dehydrated skin. No known routine regulatory restrictions in cosmetics.

Is Hydroxypropyl Starch Phosphate a Good Ingredient?

Rated Good for creating creamy, lightweight textures and moderating shine, with broad formulation compatibility. The benefits are mostly sensory and optical rather than clinically active, and it may feel drying on very dry skin, which keeps it from a higher rating.

Products with Hydroxypropyl Starch Phosphate

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