Preservation
Potassium sorbate
Its effectiveness is pH-dependent and usually complements, rather than replaces, a preservation system with broader microbial coverage.
- INCI
- POTASSIUM SORBATE
- CAS
- 24634-61-5
- Also known as
- sorbic acid potassium salt · E202
- Function
- Preservation
Ingredient answer
What is Potassium sorbate?
Potassium sorbate is the water-compatible potassium salt of sorbic acid used mainly to support yeast and mold control in acidic formulas.
Formulation behavior
How it works inside a formula
Confirm dissolution, finished pH, compatibility, market limits, and challenge-test performance throughout the intended shelf life.
Where it appears
Common product contexts
- water-based serums
- lotions and creams
- cleansers
Practical caution
What to keep in view
A preservative name alone does not establish protection; validate the full system with appropriate challenge testing.
Take the ingredient into a working formula.
Keep supplier details, percentages, compliance checks, and batch records inside your private Formuley workspace.