noun
- Plural of keratin; tough, fibrous proteins that form the main structural component of hair, nails, and the outer layer of skin.
Usage: Usually used in plural form when referring to multiple types or instances of the protein; Common in biology, dermatology, and cosmetics contexts
Examples
- Keratins are essential proteins that give strength to your hair and nails.
- The outer layer of your skin contains keratins that protect against damage.
- Hair treatments often claim to restore keratins that are damaged by heat styling.
- Different types of keratins are found throughout the body in varying amounts.
- Nails are made primarily of keratins, which is why they are so hard and durable.