Sodium Thiosulfate
Sodium Thiosulfate is a cosmetic ingredient used as a reducing agent. It is used in 37 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex). PubMed carries 389 studies of its skin or topical use.
| INCI name | SODIUM THIOSULFATE |
| Function | REDUCING |
| CAS number | 7772-98-7 / 10102-17-7 |
| EC number | 231-867-5 / - |
| Prevalence | 37 products (0.04% of dataset) |
| Most used in | Skincare |
| EU status | Restricted (annex ) |
| Scientific studies | 389 on PubMed (skin/cosmetic/topical) |
| Monthly searches | 9,900 |
Used in
Face Cleansers 18.9%Prescription 18.9%Body Washes 16.2%Serums 16.2%Facial Treatments 8.1%Scalp Treatments 5.4%
Frequently asked
- What does Sodium Thiosulfate do in skincare?
- Sodium Thiosulfate functions as a reducing agent in cosmetic formulas.
- Is Sodium Thiosulfate allowed in cosmetics?
- Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
- What products contain Sodium Thiosulfate?
- It is most commonly found in Skincare products, especially face cleansers (18.9% of its uses).
Manufacturers with experience using Sodium Thiosulfate
Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.