shampoo is no problem but conditioners certainly not.
It depends on their hair. If you have super curly hair you should wash it every other day... maybe every 3 days. If you have greasy hair then wash it everyday. If you have straight hair just wash it everyday. Mostly every girl washes her hair everyday.
Women should wash their hair at least every two days. But I wash my hair everyday.
there hair is probably oily
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.
Although I wash my hair everyday, it is said to wash your hair every other day in order to keep the natural oils and not dry out your hair.
yah
Twice everyday
Yes. If you wash your hair with shampoo everyday it takes away your natural oils and if you don't have your natural oils your hair will get greecy
Yes. Your hair could start being a haven for lice.
Every time she showers, which is everyday.
I put water in my hair and then grease and then gel and then hair dantangler and then brush my hair out.
You can wash it everyday but one every other day you should shampoo your hair because your hair needs some oil too.