Mild broad-spectrum preservative that works against mould and yeast. Well tolerated by skin and allowed even in baby cosmetics.
Topical application
CWeak evidence. In vitro data, open-label studies, or expert consensus.
Approved in the EU at concentrations up to 0.6%. Rarely irritating, with sporadic contact allergy cases.
Potassium Sorbate (E202) is the potassium salt of sorbic acid. A broad-spectrum food preservative, active against yeasts and moulds, weaker against bacteria. Where applied. Creams, serums, toners, hydrogels, masks, shampoos, cleansers (0.1-1%). Often paired with sodium benzoate (E211) for broader spectrum. In natural and eco brands – the main alternative to phenoxyethanol and parabens. Mechanism. Active only at pH below 6.0 – blocks microbial metabolic enzymes. Effective in pH 5-5.5 formulas; at pH >6 needs combination with other preservatives. Safety. CIR confirmed safety. FDA, EFSA approve as a food additive. Hypoallergenic. Occasionally causes brief stinging on open erosions (e.g., chapped lips). Suitable for baby and child cosmetics. Pregnancy and lactation – safe. Suitable in any product.
Irritation potential
LowAllergen risk
LowPregnancy
SafeSuitable for
The Evigrade extension adds an evidence panel to Wildberries, Goldapple, Letu, iHerb, Sephora and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
Potassium Sorbate is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
Potassium Sorbate suits: oily, dry, sensitive, combination, normal.
Mild broad-spectrum preservative that works against mould and yeast.
The INCI name is Potassium Sorbate. It may also appear as: Сорбат калия.
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