The ingredient, explained

Sodium Thiosulfate

A primary study examines this ingredient in the specified preparation and setting.

Reducing

Explore connections

Ingredient guide

What it is and what it does

Sodium thiosulphate

About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗

Reducing: Chemically changes another material through reduction.

Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗

Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.

A closer look

What the research shows

Human topical treatment study

Single pediatric case reported resolution of iatrogenic calcinosis after six months of topical treatment.

What this does not tell us

Uncontrolled case report in a medical calcium-deposition disorder. No general skin benefit or causal efficacy proof; calendar-month duration not converted to days.

Sources for this summary. PubMed 28382733 ↗

Research review checked Oct 1, 2026

Bounded review of local candidates, exact-name indexed primary journal/PubMed safety and topical searches; not a systematic review.

Ingredient research is not proof that a product containing this ingredient works.