237 citations
,
February 2016 in “Science Translational Medicine” The timing of when the gene Bmal1 is active affects aging and survival, with its absence during development, not adulthood, leading to premature aging.
27 citations
,
February 2017 in “Clinical, Cosmetic and Investigational Dermatology” New compounds were found to help increase hair growth and decrease hair loss.
5 citations
,
January 2020 in “Skin Research and Technology” Minoxidil 5% works better than 2% for hair growth in male-patterned hair loss.
92 citations
,
September 2015 in “Journal of Lipid Research” Skin fat helps with body temperature control and has other active roles in health.
67 citations
,
July 1985 in “British journal of dermatology/British journal of dermatology, Supplement” Men's thigh hair grows longer and has a longer growth cycle than women's, but arm hair growth is similar between genders.
September 2025 in “Journal of Cosmetic Dermatology” PRP and microneedling both effectively improve hair growth and thickness for treating hair loss.
12 citations
,
September 2021 in “PLoS ONE” WNT10A and EBF1 interaction affects hair growth in male-pattern baldness.
35 citations
,
July 2018 in “Cell Reports” The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.
4 citations
,
September 2020 in “Frontiers in Microbiology” Algal oligosaccharides help prevent hair loss and promote hair growth.
68 citations
,
May 2018 in “PLOS Biology” Cyclosporine A may help treat hair loss by blocking a protein that inhibits hair growth.
52 citations
,
September 2018 in “International Journal of Molecular Sciences” Ginseng and its compounds may help hair growth and prevent hair loss, but more human trials are needed to confirm this.
6 citations
,
November 2010 in “Histochemistry and cell biology” The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.
17 citations
,
March 2006 in “Journal of Cosmetic Dermatology” Hormonal changes during and after pregnancy can cause hair growth changes and hair loss, with treatments available for some conditions.
2 citations
,
January 1984 in “Progress in neuro-psychopharmacology & biological psychiatry” Benzodiazepines changed hormone levels but did not affect hair growth in women with idiopathic hirsutism.
11 citations
,
September 2014 in “International Journal of Molecular Sciences” Mycophenolate helps reverse hair loss effects caused by IFN-γ by activating a key hair growth pathway.
185 citations
,
June 2011 in “Molecular and cellular endocrinology” Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.
113 citations
,
September 2005 in “Journal of Investigative Dermatology” Applying a special compound can promote hair growth without harmful side effects.
1 citations
,
December 2024 in “Scientific Data” Researchers identified key molecular changes in goat hair follicles that could improve cashmere production.
September 2025 in “Journal of Drug Delivery and Therapeutics” Targeting hair follicles can effectively promote hair growth and treat hair disorders.
April 2018 in “Journal of Investigative Dermatology” Blocking a specific immune cell signal can trigger hair growth.
101 citations
,
January 1997 in “Journal of Investigative Dermatology Symposium Proceedings” Nerves and chemicals in the body can affect hair growth and loss.
81 citations
,
August 2014 in “Lasers in Surgery and Medicine” Red light therapy is safe and effectively increases hair growth in women with hair loss.
1 citations
,
January 2017 in “Elsevier eBooks” The document concludes that new treatments for hair loss may involve a combination of cosmetics, clinical methods, and genetic approaches.
1 citations
,
May 1965 in “Medical Clinics of North America” Hair growth dysfunction involves various conditions with limited treatment options.
49 citations
,
August 2018 in “International Journal of Dermatology” Topical JAK inhibitors may help treat alopecia universalis by promoting hair regrowth.
36 citations
,
January 1998 in “Journal of Dermatological Treatment” The questionnaire effectively measures men's perceived hair growth and can distinguish between different treatments and dosages.
5 citations
,
October 2011 in “Small ruminant research” Goat hair growth and follicle activity change with the seasons and differ between males and females.
3 citations
,
July 2013 in “Bioscience, Biotechnology, and Biochemistry” Chinese black tea extract helped mice grow hair, especially when combined with capsaicin.
1 citations
,
May 2017 in “InTech eBooks” Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.
June 2023 in “Trichology and cosmetology:” Ageratum Conyzoides, when taken orally, can effectively reduce hair loss and improve hair growth.