Mannan is a widely used ingredient in cosmetics, personal care, and skincare formulations. Depending on its function, it may serve as a moisturizer, preservative, emulsifier, or active ingredient to enhance the overall effectiveness and performance of a product.
Mannan may refer to:
- Mannan (polysaccharide), a type of carbohydrate
- Mannan people, a social group of India
- Mannan language, a language of India
- Mannan (film), a 1992 Indian film
- Manannán, known in Manx as Mannan, a figure in Gaelic mythology