Potassium Sulfate
Reviewed by Kate · Last updated 18 Aug 2026
Viscosity Controlling
At a glance
EWG Safety Score
What Is Potassium Sulfate?
Potassium Sulfate is a cosmetic ingredient. It is grouped in the Exfoliants category on this site.
There is limited independent published research on its topical use, so this entry describes what the ingredient is rather than making specific performance claims.
Regulatory information
Standardised cosmetic-ingredient identifiers used by regulators.
Show identifiers
- INCI Name
- POTASSIUM SULFATE
- EC Number
- 231-915-5
- Pharmacopoeia Name
- kalii sulfuricum
- Function
- Viscosity Controlling
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