Preferably, {TAIL ~ a trichromatic dye mixture} comprising {HEAD ~ at least one yellow dye}, at least one red dye and at least one blue dye is used 
Preferably , { TAIL ~ a trichromatic dye mixture } comprising { HEAD ~ at least one yellow dye } , at least one red dye and at least one blue dye is used
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH