... time to make the hair treatment enriching the hair .2) Cover the hair with wet towel , put on the hair treatment cap , and put the ... .3) Connect with 220V powerm , switch on the hair treatment , cap, heat the hair 20 minutes to any initial temperature , and then turn ... off the power , take off the cap and towel .4) Wash the hair with warm water and dry it with hair dryer . hair drying cap