March 2020 in “Clinical research in dermatology” Two unusual cases showed that Lichen Planopilaris can look like other skin conditions and need early treatment to protect hair.
November 2022 in “JAAD case reports” A man with skin and hair symptoms improved partially with specific treatment.
November 2025 in “Nature Communications” Hair growth may involve a pulling force from the outer root sheath.
6 citations
,
July 2001 in “PubMed” Simulated microgravity affects root hair growth direction.
43 citations
,
January 2016 in “Cellular physiology and biochemistry” Epidermal Growth Factor helps hair follicle cells grow and move by activating a specific cell signaling pathway.
September 2025 in “Journal of Drug Delivery and Therapeutics” Targeting hair follicles can effectively promote hair growth and treat hair disorders.
February 2010 in “Journal of the American Academy of Dermatology” Activating cAMP and ATP improves hair growth and strength.
2 citations
,
February 2025 in “Journal of Investigative Dermatology” 43 citations
,
April 2010 in “Developmental Biology” Sebaceous glands can form new hair follicles when activated, but hair follicle bulges cannot.
2 citations
,
April 2019 in “Experimental Dermatology” Hair follicles respond differently to pulling forces in various regions.
20 citations
,
January 1995 in “Cells tissues organs” Changing light periods synchronized wool growth cycles in sheep.
133 citations
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July 1994 in “Journal of Dermatological Science” Human hair growth can be influenced by certain growth factors and has specific metabolic needs.
August 2012 in “Nature Cell Biology” Hair grows when stem cell offspring in the follicle base proliferate, influenced by the dermal papilla.
47 citations
,
April 2001 in “Journal of Dermatological Science” IGF-I and HGF attract and stimulate hair follicle cells to move.
November 2022 in “Bioengineering” The method can test hair growth products using a lab-made hair-like structure that responds to known treatments.
109 citations
,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Targeting hair follicles can improve skin treatments and reduce side effects.
September 2008 in “Kitasato medical journal”
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth cycles need varied signals in space and time.
211 citations
,
February 2009 in “European journal of pharmaceutics and biopharmaceutics” Hair follicles help absorb and store topical compounds, aiding targeted drug delivery.
August 2016 in “Journal of Investigative Dermatology” Human hair follicles have a scent receptor that can influence hair growth.
Hair follicles can be used to quickly assess drug effects in cancer treatment.
6 citations
,
April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
5 citations
,
October 1988 in “Clinics in Dermatology” A method was developed to grow hair follicles in a lab for research on hair growth and health.
149 citations
,
July 2017 in “PLoS Biology” Hair follicle patterns form through a mix of self-organization and signaling interactions.
148 citations
,
October 1997 in “Journal of Investigative Dermatology” December 2025 in “British Journal of Dermatology” 32 citations
,
September 1996 in “Archives of Dermatological Research” 6 citations
,
September 1996 in “Archives of Dermatological Research” 50 citations
,
September 1997 in “Developmental Biology” 7 citations
,
January 1990