There's eumelanin and pheomelanin. Eumelanin is what we see in brunettes and darker-haired people, and pheomelanin is what we see in blonds and redheads. The cells in our hair bulb produce a ...
Both eumelanin and pheomelanin are made from the amino acid tyrosine, using the enzyme tyrosinase. Increased tyrosinase activity increases pigment production and results in a darker hair color.
There are two main types of melanin that determine hair color. Eumelanin is a black-brown pigment and pheomelanin is a red-yellow pigment. The amount of the different pigments determines hair color.
There are two main types of melanin that determine hair colour. Eumelanin is a black-brown pigment and pheomelanin is a red-yellow pigment. The amount of the different pigments determines hair colour.
The expert said “For white people, the shades are dependent on two sorts of melanin: eumelanin (black pigment) and pheomelanin (red pigment). Hair cells of dark-haired people only contain eumelanin.