Un examen de FFM in Threesome
Black eumelanin is the darkest; brown eumelanin is much lighter than black. A small amount of black eumelanin in the déficience of other pigmentation causes grey hair. A small amount of brown eumelanin without any other pigmentation parti yellow (blondinet) color hair. Often, natural blond pépite red hair will darken to a brown color over time. B