Definitions

1. noun

A naturally occurring diuretic and soothing compound found in many plants, especially comfrey, used in medicine and cosmetics.

“The cream contained allantoin, which helped to moisturize and soften the skin.”

2. chemical

A naturally occurring organic compound, C5H10N4O3, found in plants, used in medicine and cosmetics.

“Allantoin is a major component of comfrey extract, used in various skincare products.”