It is also an object of the invention to provide agents for the oxidative dyeing of {HEAD ~ hair} that are based upon bis alkanols as coupling {TAIL ~ components} 
It is also an object of the invention to provide agents for the oxidative dyeing of { HEAD ~ hair } that are based upon bis alkanols as coupling { TAIL ~ components }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL