Ingredient
Potassium Sorbate
Sorbic Acid Potassium Salt
What it is
The potassium salt of sorbic acid, a widely used cosmetic and food preservative effective mainly against mold and yeast.
How it works
Disrupts microbial cell membrane function at mildly acidic pH, inhibiting fungal and some bacterial growth to keep the water-based formula from spoiling.
What it does
Preservative
Concerns to know
-
Well tolerated
No significant safety concern is reported for this ingredient as used in cosmetics.