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: Beyond aesthetics, hair regulates body temperature, protects the scalp from UV rays, and filters dust through the eyelashes and nose . Texture and Classification 60 Best Hair Quotes And Captions For Major Inspiration

: Hair grows in three repeating phases: Anagen (growth, lasting 2–7 years), Catagen (transition), and Telogen (resting/shedding).

: The outer protective "armor" made of overlapping scales . : The middle layer that provides strength, elasticity,

: The middle layer that provides strength, elasticity, and color through melanin.

"Brush your messy hair, embrace a bun, and take on the world." ―Anonymous. “Hair brings one's self-image into focus; it is vanity' Southern Living : The hollow inner core, typically only found

How to Determine Your Hair Type and Texture – OLAPLEX Inc.

: The hollow inner core, typically only found in thicker or coarser hair. : The hollow inner core

Each strand is a "mini-organ" composed of about 90% keratin , a tough protein also found in nails.