What happens to your hair if you only wash it once a week?

It depends on the type of hair. if you have curly hair then wash it twice a week.

but with normal thin hair, you can wash it once a week becuase nothing would happen.

the maintenance of fluid balance during exercise. author information: fluid supplementation is necessary for exercise in which fluid losses must be offset by intake to avoid the negative effects of hypohydration on health and performance.

hey, the answer to the question would be d.) data on injury causes and rates.