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.

What is the primary reason hair becomes dirty?

• Lack of brushing

• Exposure to sunlight

• Sebum production

• Accumulation of dust

Why can't water alone clean our hair effectively?

• Water damages hair

• Water is too cold

• Water evaporates too quickly

• Water and oil do not mix

What is the function of surfactants in shampoo?

• To mix water and oil

• To thicken the shampoo

• To add fragrance

• To color the shampoo

What happens if you wash your hair too frequently?

• Hair color fades

• Sebum production increases

• Hair becomes shinier

• Hair grows faster

What natural ingredient is mentioned as an alternative to conventional shampoo?

• Aloe vera

• Coconut oil

• Shikakai powder

• Baking soda

How do dry shampoos clean hair without water?

• By using heat

• By absorbing sebum

• By changing hair color

• By adding moisture

What is the key to maintaining a healthy scalp according to the video?

• Not over-washing

• Brushing hair frequently

• Using a lot of shampoo

• Using hot water