61 citations
,
November 2004 in “Annals of the Academy of Medicine Singapore” Hair follicle stem cells are mainly in the bulge region and can help repair skin and form hair and glands, but more research is needed to fully understand them.
14 citations
,
April 1976 in “Journal of Cutaneous Pathology” A calcified nodule on a boy's face came from hair follicles and expelled calcium through the skin.
28 citations
,
March 2016 in “Toxicologic pathology” Dogs could be good models for studying human hair growth and hair loss.
March 2007 in “International Society of Hair Restoration Surgery” Caffeine may help hair grow and manage hair loss.
January 2006 in “Chinese Journal of Dermatology” Cultured dermal papilla cells can regenerate hair follicles and sustain hair growth.
April 2023 in “Journal of Investigative Dermatology” Muscle around hair follicles controls hair loss by releasing a signal that causes cell death.
July 2024 in “Journal of Investigative Dermatology” Allergic contact dermatitis may promote hair growth by activating hair follicle stem cells.
96 citations
,
February 2002 in “Journal of the American Academy of Dermatology” Pseudofolliculitis barbae is a chronic skin condition affecting mainly African American and Hispanic individuals, caused by shaving tightly curled hair, and managed by prevention and treatment but not curable.
TGF-β1 and 2 in hair follicles may be linked to hair loss in AGA.
May 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Age-related hair loss is linked to the decline and dysfunction of hair follicle stem cells.
September 2024 in “Journal of the American Academy of Dermatology” The supplements improved hair density and reduced hair loss.
202 citations
,
August 2017 in “Nature cell biology” Lactate production is important for activating hair growth stem cells.
28 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Dermal papilla cells are crucial for hair growth and can induce new hair follicles.
January 2014 in “Journal of the Korean Society of Design Culture” The study confirmed that changes in hair structure in women with hair loss conditions matched what is taught in beauty college trichology courses.
February 2010 in “Journal of the American Academy of Dermatology” Activating cAMP and ATP improves hair growth and strength.
27 citations
,
September 2012 in “Dermatologic Clinics” The document concludes that using specific tools and tests is essential for identifying the cause of hair loss and deciding on the right treatment.
1 citations
,
September 2023 in “International Journal of Dermatology” Early detection and treatment of folliculitis keloidalis can prevent disease progression.
140 citations
,
December 1998 in “Journal of Investigative Dermatology” Apoptosis in hair follicles varies by growth phase, with TGF-β possibly starting the catagen phase.
December 2025 in “Brazilian Journal of Hair Health” The Spiral Model helps understand hair growth changes with age and identify hair problems early.
1 citations
,
April 2008 in “Experimental Dermatology” Hidradenitis suppurativa may mainly affect vellus hair follicles, not terminal ones.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” EGFR deficiency causes significant changes in skin cells and hair follicles.
1 citations
,
October 2021 in “Journal of Investigative Dermatology”
23 citations
,
April 2006 in “Skin Research and Technology” The study concluded that a special imaging technique showed women with hair loss have slower hair growth and a faulty hair replacement cycle.
March 1995 in “The Journal of Dermatology” Immature hair cells can grow and change into different types of hair cells over time.
8 citations
,
January 2013 in “The scientific world journal/TheScientificWorldjournal” Human hair follicles may provide a noninvasive way to diagnose diseases and have potential in regenerative medicine.
July 2024 in “Clinical Cosmetic and Investigational Dermatology” Exosomes can help promote hair growth and may treat hair loss.
Non-immune dermal cells dominate, epidermal cells increase after day 9, and certain immune cells persist beyond inflammation in wound-induced hair follicle regeneration.
July 2018 in “Elsevier eBooks” Acne keloidalis nuchae is a chronic skin condition more common in African men, causing itchy or painful bumps and can lead to permanent hair loss if not treated early.
51 citations
,
November 2010 in “Dermatologic Surgery” The research provides specific measurements for hair follicles that can improve hair transplant and regeneration techniques.
5 citations
,
July 2005 in “British journal of dermatology/British journal of dermatology, Supplement” A man grew hair on his penis, which is not common, and needed surgery to remove it.