noun, noun which may take the genitive case particle 'no'
melanin
The dark pigment found in skin, hair, and eyes. Used in biological and everyday contexts.
メラニンは紫外線から肌を守る働きがある。
Melanin works to protect the skin from ultraviolet rays.
メラニン色素が少ないと、髪の色が薄
When melanin pigment is low, hair color becomes lighter.