collagen
//ˈkɒl.ə.dʒən//
Noun
1
The main structural protein found in skin, bones, tendons, and other connective tissues in animals and humans, providing strength and elasticity.
Collagen helps keep our skin firm and elastic.
2
A substance derived from animal tissues, used in cosmetics, food products, and medical applications.
This face cream contains collagen derived from fish scales.