Hair Apr 2026

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

: The middle layer that provides strength, elasticity, and color through melanin. : The hollow inner core, typically only found

Hair is a complex biological structure that serves as a powerful medium for self-expression , a marker of cultural identity, and a functional protective barrier for the human body. The Biology of Hair : The hollow inner core

: The outer protective "armor" made of overlapping scales . a marker of cultural identity

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