How Your Hair Actually Grows 🤯 #shorts

追加: 2026-06-02

[00:00:00]The explanation [music] of how the hair grows.

[00:00:03]When a hair follicle is ready to grow, [music] it pulls nutrients from the blood vessels beneath your skin and uses them to build a strand of keratin.

[00:00:11]>> [music] >> This keratin hardens and gets pushed upward through the follicle and out of your skin as it rises. The sebaceous gland coats it in oil, keeping it flexible and [music] protected. The follicle then enters a resting phase before the cycle starts again.