How to Use ccHair Serum? you have to take a head tub earlier than you could practice this serum. because while you're taking a bath, your head may be in a easy and moisturized country. therefore, Xcellerate35 your scalp is ready to absorb something that you observe. i understand a lot of you're lazy to have a head bath earlier than the utility of this serum. however you should have a proper head bathtub before use....