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.
Melanin works to protect the skin from ultraviolet rays.
When melanin pigment is low, hair color becomes lighter.
Melanin increases when exposed to UV rays.
This serum has the effect of suppressing melanin production.
Melanin pigment determines skin color.