Lots of electrodes will be applied to the scalp as well as other parts of your body like your chest and legs. In order to ensure high quality signals from the equipment, the skin needs to be free from dirt and surface oils. Having high-quality signals allows a high-quality study and lessens set-up time allowing you to go to sleep faster.
wash your hair
No, i guess u don't need to coz in the procedure of hair spa they will wash hairs after hair massage.
There are no magic potions that will allow you to do drugs and wash them away before a test.
Before you try, you need to check with your hair dresser or wherever you purchased you hair extensions to see if they are washable!
It is very easy to wash your hair. You need to wet your hair, put shampoo on your hair, lather and rinse.
Yes, you should wash your hair if you are sweaty. Washing your hair is on an "as needed" basis. If your hair is greasy or sweaty you need to wash it.
Yes. It is recommended to wash your hair every second day as this prevents greasy hair. If you need to wash your have after one day then do, but not regularly.
It’s better to avoid washing your hair a couple of days before the shoot They will be easier to work with Please don’t put any product on your hair the day of the shoot.
I'm sure you can but you will have to wash your hair to get the dye out anyway so its really not worth it.
To keep it clean
Shampoo and water.
No.