Can you sleep with purple shampoo in your hair?
If you leave the purple shampoo for a long time then the hair look dull and lifeless. However, this won’t damage your hair. Your precious hair strands will only get back to the natural tone after using it so don’t worry even though you keep the shampoo overnight without rinsing. It is not a good idea for you to sleep with purple shampoo without rinsing your hair for the first time. Because
