What is melanin?
| Whiteness of the skin | |
| Dark pigment that skin cells make to block out damaging rays | |
| A pigment that causes skin to wrinkle | |
| A protein in the fingernails which prevents softening. |
What is melanin?
| Whiteness of the skin | |
| Dark pigment that skin cells make to block out damaging rays | |
| A pigment that causes skin to wrinkle | |
| A protein in the fingernails which prevents softening. |