829 citations,
May 2007 in “Nature” Hair follicles can regrow in wounded adult mouse skin using a process like embryo development.
316 citations,
June 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.
300 citations,
August 2012 in “Seminars in Cell & Developmental Biology” The conclusion is that certain cell interactions and signals are crucial for hair growth and regeneration.
182 citations,
December 2007 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles significantly increase the speed and amount of caffeine absorbed through the skin.
159 citations,
July 2006 in “Endocrine Reviews” Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.
149 citations,
July 2014 in “Cold Spring Harbor Perspectives in Medicine” The dermal papilla is crucial for hair growth and health, and understanding it could lead to new hair loss treatments.
94 citations,
May 2011 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles greatly increase caffeine absorption through the skin shortly after it's applied.
83 citations,
January 2015 in “World Journal of Stem Cells” Hair follicle regeneration needs special conditions and young cells.
77 citations,
July 2012 in “Journal of Investigative Dermatology” Wnt10b overexpression can regenerate hair follicles, possibly helping treat hair loss and alopecia.
74 citations,
January 2013 in “Expert Opinion on Biological Therapy” The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.
59 citations,
July 2015 in “Journal of innovative optical health sciences/Journal of innovation in optical health science” Nanoparticles around 600-700 nm can effectively enter and stay in hair follicles for days, which may help in delivering drugs to specific cells.
51 citations,
November 2010 in “Dermatologic Surgery” The research provides specific measurements for hair follicles that can improve hair transplant and regeneration techniques.
48 citations,
May 2008 in “Drug Discovery Today: Disease Mechanisms” Hair follicles offer promising targets for delivering drugs to treat hair and skin conditions.
46 citations,
March 2015 in “Regeneration” Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.
41 citations,
October 2011 in “American journal of clinical dermatology” Eruptive vellus hair cysts are a cosmetic skin condition, more common in young adults, with few effective treatments.
38 citations,
September 2014 in “Cell and Tissue Research” The hair follicle infundibulum plays a key role in skin health and disease, and understanding it better could lead to new skin disease treatments.
30 citations,
May 2016 in “International Journal of Cosmetic Science” Hair loss in women links to inflammation around hair follicles.
29 citations,
May 2020 in “npj Regenerative Medicine” Immune cells help regulate hair growth, and better understanding this can improve hair loss treatments.
28 citations,
October 2019 in “Seminars in Cell & Developmental Biology” Hair can regrow in large wounds through a process similar to how hair forms in embryos, and understanding this could lead to new treatments for hair loss or scarring.
27 citations,
March 2018 in “Biomaterials” Three specific proteins can turn adult skin cells into hair-growing cells, suggesting a new hair loss treatment.
26 citations,
April 2011 in “Skin Research and Technology” In vivo confocal scanning laser microscopy is an effective, non-invasive way to study and measure new hair growth after skin injury in mice.
25 citations,
July 2008 in “British Journal of Dermatology” CD10 and CD34 levels change during hair development and different hair growth stages, which could be important for hair regeneration treatments.
16 citations,
November 2020 in “International journal of pharmaceutics” Using longer PEG chains helps nanoparticles penetrate hair follicles better, improving drug delivery for conditions like alopecia.
16 citations,
January 2007 in “Dermatology” Scientists have made progress in understanding hair follicle stem cells, identifying specific genes and markers, and suggesting their use in treating hair and skin conditions.
8 citations,
April 2009 in “International journal of oncology” Hair follicle cells resist turning into skin cells.
7 citations,
February 2018 in “International Journal of Pharmaceutics” Researchers developed a method to measure drugs in hair follicles and found that both water-loving and fat-loving drugs can be detected after being applied to the skin.
5 citations,
September 2012 in “Springer eBooks” Nanoparticles can be used to deliver drugs to hair follicles, potentially improving treatments for conditions like acne and alopecia, and could also be used for vaccine delivery and gene therapy.
4 citations,
January 2018 in “Advances in Experimental Medicine and Biology” The document concludes that hair follicles have a complex environment and our understanding of it is growing, but there are limitations when applying animal study findings to humans.
4 citations,
January 2015 in “International Journal of Trichology” Transplanted hair follicles can change and adapt to new areas of the body, with the immune system possibly playing a role in this adjustment.
4 citations,
July 2014 in “International Journal of Dermatology” Twins had rare skin cysts likely due to genetics.