Namely
Sodium sorbate is used as a preservative in cosmetics to inhibit mold and yeast. It is found in food under the name E201. It is authorized in organic.
Restriction in Europe:
V/4 The maximum concentration allowed in ready-to-use cosmetic preparations is 0.6%.
Its functions (INCI)
Preservative : Inhibits the development of microorganisms in cosmetic products.