Modified starch. A natural alternative to silicones and synthetic thickeners; gives a soft texture.
Topical application
CWeak evidence. In vitro data, open-label studies, or expert consensus.
Safe plant-derived thickener.
Hydroxypropyl Starch Phosphate is a modified starch (corn or potato) chemically treated with propylene oxide and phosphate for stability. Tasteless, odorless, white powder. Where applied. Natural alternative to silicones and synthetic thickeners in creams, lotions, deodorants, dry shampoos, loose powders and eyeshadows (0.5-5%). Provides a soft matte texture, absorbs excess sebum, replaces silicones in formulas labeled "natural" and "clean beauty". In Spain in Babé Stop AKN, Sesderma Sebovalis, Bioderma Sébium. Safety. CIR rated hydroxypropyl starch phosphate safe at current cosmetic concentrations (2014). Inert, hypoallergenic, non-irritating. Pregnancy and lactation – safe topically. Suitable for all skin types, especially oily and combination, and for baby care.
Irritation potential
LowAllergen risk
LowPregnancy
SafeSuitable for
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Hydroxypropyl Starch Phosphate is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
Hydroxypropyl Starch Phosphate suits: normal, dry, oily, combination, sensitive.
Modified starch.
The INCI name is Hydroxypropyl Starch Phosphate.
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