The Hidden Costs of Not Removing Makeup

The video explores hair cleanliness, focusing on the role of sebum and the necessity of shampoo. It explains how sebum protects but also attracts dirt, leading to the need for cleaning. An experiment shows why water alone can't clean hair, highlighting the role of surfactants in shampoo. The video also discusses the impact of frequent washing on sebum production and presents alternatives like homemade and dry shampoos.

How does daily shampooing affect the production of sebum in the scalp?

What are some natural alternatives to conventional shampoos mentioned in the text?

What is the function of dry shampoos and how do they work?