| A few species of hummingbirds and European Starling are known to produce UV hues with coherently scattering melanin arrays in feather barbules. |
| Without melanin in albinos ' eyes, the blood vessels are visible, so the eyes are pink. |
| The color of a person's hair is determined by the amount and distribution of melanin in the cortex of each hair. |
| Even in its natural state, the melanin biopolymer contains free electrons in its conjugated structure. |
| Freckles are spots of increased pigment, produced by cells called melanocytes, which make melanin. |
| Melanotan works by boosting melanin, the skin pigment that makes us brown and protects us against skin cancer. |
