noun. any substance that is added to another substance to keep it moist.
- propylene glycol
Sentences with humectant
1. Noun, singular or mass
Glycerin is considered a humectant, which means it maintains moisture in the top layers of the skin by pulling moisture out of the air.
It is also used in cosmetics and personal lubricants to provide preservation and for its humectant qualities, used to draw moisture to the skin.