Used with care
Potassium sorbate is an antimicrobial compound. Although it naturally occurs in some berries such as those on the rowan tree, most of the world's supply is synthesized. It is used as a preservative in many foods, wines and personal care products.
EWG score: The EWG score is a hazard score ranging from 1-2 (low hazard), 3-6 (moderate hazard) and 7-10 (high hazard) published by the Environmental Working Group. Their data is sourced from the Skin Deep® database and studies published in open scientific literature.