27 citations
,
September 1999 in “Journal of Investigative Dermatology” Human skin cells contain Protease Nexin-1, and male hormones can decrease its levels, potentially affecting hair growth.
20 citations
,
August 2015 in “International Journal of Molecular Medicine” Human placental extract may help hair growth by affecting certain cell signals and could be more effective with minoxidil.
16 citations
,
October 2018 in “Experimental Dermatology” Mesenchymal stem cell therapy may help treat alopecia areata by promoting hair growth and reducing inflammation.
Dermal stem cells help regenerate hair follicles and heal skin wounds.
106 citations
,
March 2014 in “BioEssays” We need more research to better understand human hair follicle stem cells for improved treatments for hair loss and skin cancer.
February 2026 in “Journal of Integrative Neuroscience” NGF-modified hair follicle stem cells may help treat Alzheimer's by improving brain function and reducing harmful proteins.
124 citations
,
January 2012 in “Journal of Allergy and Clinical Immunology” Endocannabinoids help control mast cell activity in human skin.
53 citations
,
January 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
February 2026 in “Biochemical and Biophysical Research Communications” Scientists successfully regenerated functional hair follicles using specific stem cells and mesenchymal cells.
64 citations
,
November 2008 in “Journal of The American Academy of Dermatology” A new type of rapid hair loss called ADTA usually gets better on its own within 6 months.
26 citations
,
May 2014 in “BioEssays” Using neurohormones to control keratin can lead to new skin disease treatments.
25 citations
,
March 2017 in “Experimental Dermatology” The document concludes that understanding hair follicles requires more research using computational methods and an integrative approach, considering the current limitations in hair treatment products.
21 citations
,
March 2019 in “Experimental Dermatology” Immune cells around hair follicles help control hair growth and could be targets for treating hair disorders.
17 citations
,
September 2016 in “Stem cells translational medicine” Using bioreactors, scientists can grow more skin stem cells that keep their ability to regenerate skin and hair.
4 citations
,
January 2021 in “Archives of dermatological research” The study created a new model to better understand human hair growth and health.
1 citations
,
January 2015 in “Journal of nutrition & health” Fish oil improves skin health in people with diabetes and high cholesterol.
March 2024 in “International Journal of Cosmetic Science” Dandruff is linked to increased T cells and weakened immune protection in hair follicles.
December 2023 in “Animals” The study mapped yak skin cells to understand hair growth better.
May 2021 in “Histochemistry and Cell Biology” The May issue discussed publishing agreements and four studies on cholesterol in hair, cancer cell changes, hormones in the uterus, and skin protein effects.
April 2017 in “Journal of Investigative Dermatology” The hair follicle dermal sheath is essential for hair shedding and needs to communicate with the outer root sheath for normal hair growth cycles.
222 citations
,
August 2009 in “Experimental Dermatology” Stem cells are crucial for wound healing and understanding their role could lead to new treatments, but more research is needed to answer unresolved questions.
19 citations
,
March 2017 in “PLoS ONE” PSU are better than THF at regenerating skin layers in lab models.
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.
159 citations
,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
98 citations
,
July 2014 in “Trends in Molecular Medicine” Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.
Laser hair removal may cause skin changes that prevent hair regrowth.
146 citations
,
May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
106 citations
,
June 2005 in “Journal of Investigative Dermatology” The document concludes that assessing hair follicle damage due to cyclophosphamide in mice involves analyzing structural changes and suggests a scoring system for standardized evaluation.
1113 citations
,
August 1999 in “The New England Journal of Medicine” Hair follicle biology advancements may lead to better hair growth disorder treatments.
759 citations
,
February 2009 in “Current Biology” Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.