hair follicle

noun

: the tubular epithelial sheath that surrounds the lower part of the hair shaft and encloses at the bottom a vascular papilla supplying the growing basal part of the hair with nourishment see hair illustration

Examples of hair follicle in a Sentence

Recent Examples on the Web

In terms of benefits, exosomes assist with collagen regeneration, reducing acne scars, wound healing, hyperpigmentation, and hair follicle stimulation. —Essence, 29 Sep. 2025

At the same time, nutrient-rich botanicals like sacha inchi and morete oil deeply hydrate hair follicles, leaving strands feeling nourished, balanced, and revitalized. —Jenny Berg, Vogue, 24 Sep. 2025

Poliosis — Localized patches of white hair due to a reduction or absence of melanin in hair follicles. —Scott Lafee, San Diego Union-Tribune, 23 Sep. 2025

Taking minoxidil orally can support the hair follicle cycle and trigger anagen (the resting phase) prematurely. —Jessie Quinn, Flow Space, 23 Sep. 2025

Word History

First Known Use

1838, in the meaning defined above

Rhymes for hair follicle

• diabolical
• symbolical

Kids Definition

hair follicle

noun

: the tube-shaped sheath surrounding the lower part of a hair shaft

Medical Definition

hair follicle

noun

: the tubular epithelial sheath that surrounds the lower part of the hair shaft and encloses at the bottom a vascular papilla supplying the growing basal part of the hair with nourishment