The main purpose of shampoo is to remove dirt and oil from the surface of the hair fibres and the scalp, while the main purpose of conditioner is to ensure that the hair is smooth for combing. Some commercial shampoos may also have additional components to control dandruff and condition hair. It cleans the hair with chemicals called surfactants. These are soaps that remove surface debris from the scalp and hair. Many shampoos also contain compounds called sulfates, which produce a rich lather that removes oil from the hair. This can help the hair look cleaner, but it can also damage the hair.
How do shampoos work?
A detergent molecule in a shampoo works as a surfactant, meaning it lowers the surface tension between the water and the sebum. … Then, when you rinse the shampoo out, the hydrophilic part of the molecule (the part that binds to water) takes the dirt and gunk right on with it when it’s rinsed away
Generally speaking, dry hair types should shampoo a maximum of two times a week, while oily hair types may require washing on a daily basis. If you have normal hair and don’t suffer from dryness or oiliness, you have the luxury of washing your hair whenever you feel like you need to.
This hair product is principally made for the scalp, hair is just secondary. You would like to brush your scalp from accumulation of oil, hair products, air pollution, etc.