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.
48 citations
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April 1995 in “PubMed” Testosterone helps beard and axillary hair cells grow by releasing growth factors from dermal papilla cells.
8 citations
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October 2024 in “Developmental Cell” 
February 2025 in “BMC Veterinary Research” Keratin proteins are crucial for hair growth in cashmere goats.
November 2025 in “Cureus” A young man had a rare skin condition causing hair loss and forehead lesions.
December 1990 in “PubMed” Different glycoconjugates are present in the outer and inner root sheaths of human hair follicles.
93 citations
,
May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
65 citations
,
October 1988 in “Clinics in dermatology” The dermal papilla interacts with the epidermis to control hair growth and development.
September 2007 in “PubMed” Implanted human scalp cells can regenerate hair-like structures in mice.
January 1998 in “KAGAKU TO SEIBUTSU” The document suggests that male hormones likely affect hair growth and baldness, and future treatments might involve stem cells and androgen-independent cells.
38 citations
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July 1993 in “Journal of Investigative Dermatology” 7 citations
,
January 1989 Minoxidil and 4-MA can help treat hair loss.
13 citations
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May 2022 in “Cell discovery” The study found new details about human hair growth and suggests that preventing a specific biological pathway could potentially treat hair graying.
3 citations
,
January 1990 in “Springer eBooks” 
June 2020 in “Journal of Investigative Dermatology” Tiny particles from skin cells can help activate hair growth.
27 citations
,
September 1988 in “PubMed” Hair follicle shape determines hair type: curly, straight, or in-between.
78 citations
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August 2002 in “Experimental Dermatology” Researchers developed a quick and easy way to get and grow cells from the base of human hair follicles.
14 citations
,
May 1979 in “International Journal of Dermatology” Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.
4 citations
,
January 2021 in “Archives of dermatological research” The study created a new model to better understand human hair growth and health.
6 citations
,
August 2008 in “Journal of Forensic Sciences” Recognizing specific tissue types on telogen hair roots can improve DNA typing.
November 2022 in “Journal of Investigative Dermatology” A new tool helps study hair follicle cells to develop better treatments for hair disorders.
36 citations
,
September 1996 in “PubMed” DP and DS cells are different from DF cells in structure and function.
47 citations
,
December 2003 in “Journal of Investigative Dermatology” DS cells in hair follicles can help form and restore hair, especially in hair loss conditions.
41 citations
,
January 2001 in “Journal of Investigative Dermatology” 57 citations
,
October 1996 in “Dermatologic clinics” HA-MNs with MXD effectively treat hair loss better than topical MXD with fewer side effects.
June 2012 in “International journal of scientific research” Hair follicles in androgenetic alopecia show no chemical changes, only size reduction.
January 2002 in “Basic medical sciences and clinics” Hair follicle stem cells are crucial for hair growth and renewal.
October 2024 in “Experimental Dermatology” The belief about hair shedding phases is likely incorrect and needs reevaluation.
June 2023 in “Journal of cosmetic medicine” Hair follicle stem cells and mitochondria are key for hair growth, and targeting their activity could lead to new hair loss treatments.