Sodium Propoxyhydroxypropyl Thiosulfate Silica

Sodium propoxyhydroxypropyl thiosulfate silica is a surface-modified silica bearing thiosulfate groups, designed for use in rinse-off cleansers. It's included to bind odor-causing compounds and adsorb impurities during washing, improving wash-off freshness.
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Ingredient Snapshot

Overview
A modified silica used in cleansers to help neutralize odors.
Category
Cleansing
Type
Mineral

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

It aids in lifting away grime and helps neutralize lingering odors for a fresher cleanse, though evidence is limited and primarily based on rinse-off use.

Uses In Skincare & Cosmetics

It's included in face washes, body cleansers, and shampoos to support impurity removal and reduce unwanted smells during washing.

Comedogenic Rating

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

Safety

It carries generally low systemic risk in rinse-off use; it may cause mild dryness or transient irritation on sensitive skin. Discontinue or reduce frequency if irritation develops.

Is Sodium Propoxyhydroxypropyl Thiosulfate Silica a Good Ingredient?

It rates Fair: it's intended to bind impurities and odors in rinse-off formulas, but published cosmetic efficacy data are limited, so benefits may be modest. As a silica derivative, it can be mildly drying or irritating for sensitive skin, particularly with frequent use.

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