I WONDER - What Is Hair Made Of?

The video explains keratin, a protein found in skin, nails, and animal features like hooves and feathers. It describes the three layers of hair: cuticle, cortex, and medula. Additionally, it discusses how hair grows faster in summer due to increased blood flow to the scalp, influenced by warmer weather.

What is keratin and where is it found?

What is the role of keratin in maintaining hair health?

What are the three layers of hair?

How does the growth rate of hair differ between summer and winter?

What effect does blood flow have on hair growth?