How to Use "melanin" with Example Sentences

1. Melanin is also responsible for hair and eye coloring .
2. Melanin is the brown pigment that causes tanning .
3. Dark-skinned people produce more numerous and deeper-colored melanin particles .
4. Melanin also plays a role in the development of certain optical nerves .
5. Melanin is the body 's way of protecting skin from burning .