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

The oil mixes with dead skin cells and clogs your hair follicles, creating the ideal environment for inflammation-causing bacteria called C. acnes. —Alisa Hrustic, SELF, 16 June 2025

Research shows that castor oil's omega-6 and omega-9 fatty acids may penetrate the hair follicle (found in the scalp) and provide nutrients that protect the hair. —Brittany Lubeck, Verywell Health, 4 June 2025

These injections, specifically PRP and steroid, encourage hair growth by calming the hair follicles, reducing inflammation and improving overall scalp health. —Kaleigh Werner, Footwear News, 2 June 2025

From traditional laser hair removal to electrolysis, a procedure that a permanent hair removal method that uses an electric current to destroy hair follicles, and vajacials and facials, the laser equipment is adjusted based on your skin color, hair color, and hair coarseness. —Náosha Gregg, Forbes, 24 Mar. 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