The term 'washed horsehair' applies to horses whose horsehair is lighter in color than their coat. This is the case for horses carrying the Flaxen gene or the Silver gene, recognizable by their forelock, their mane and their tail which are lighter than their chestnut coat. Since 1999, a new nomenclature distinguishes these horses formerly indiscriminately classified in the category of 'washed horsehair chestnut'. Horses genetically carrying a Silver gene, such as Comtois, are now called 'washed horsehair bay'.