Eumelanin is a black-brown pigment, and pheomelanin is a red-yellow pigment ... cause early greying because they just coat the hair strand without changing its structure. However, permanent ...
The color of hair is determined by two main types of melanin: eumelanin, a brown-black pigment, and pheomelanin, a yellow-red pigment ... Temporary and semi-permanent dyes should not cause premature ...
Redheads only produce pheomelanin, while dark-skinned people accumulate mainly eumelanin. All other skin and hair colours fall ... (producing white patches, without pigmentation), this generates ...
Ideal for 4c hair types, the biotin-infused cleanser removes dirt and product build-up without stripping hair of its natural oils. It also features ginger root extract to boost blood flow to the ...