The video shows a woman washing her hair in a sink. She is using a shower head to wet her hair and then applies shampoo to her scalp and hair. She massages the shampoo into her scalp and hair, ensuring that it is thoroughly lathered. The woman then rinses her hair with water from the shower head, making sure to remove all the shampoo. She repeats the process until her hair is clean and free of shampoo.