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- Dictionaryhumectant/hjʊˈmɛkt(ə)nt/
adjective
- 1. retaining or preserving moisture.
noun
- 1. a substance, especially a skin lotion or a food additive, used to reduce the loss of moisture.
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adjective
noun
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Hygroscopic substance used to keep things moist
A humectant is a hygroscopic substance used to keep things moist. They are used in many products, including food, cosmetics, medicines and pesticides. When used as a food additive, a humectant has the effect of keeping moisture in the food. Humectants are sometimes used as a component of antistatic coatings for plastics. Wikipedia