My hair was extremely dry, over processed and had snapped off in parts. My hairdresser cut it and explained she would not put any colour near it until I treated it and get another cut in approx 4/6 weeks. She recommended joico kpak reconstructor. I have used the deep treatment twice so far with the shampoo and conditioner in between . The difference in my hair is amazing, after only 2 weeks. Looking forward to my next trim and consultation with my hairdresser