119 citations
,
November 1969 in “Journal of Ultrastructure Research” Macrophages help break down collagen around hair follicles during hair growth.
54 citations
,
May 2001 in “Journal of Investigative Dermatology” Excessive putrescine causes hair loss in transgenic mice by disrupting hair follicle development.
13 citations
,
June 2020 in “International Journal of Molecular Sciences” HNG helps hair grow by keeping hair in the growth phase longer.
4 citations
,
December 2024 in “Gels” The gel effectively delivers drugs to the eye, fights bacteria, and protects against oxidative stress.
2 citations
,
March 2022 in “Applied sciences” Lespedeza bicolor extract promotes hair growth and increases hair follicle cell growth, potentially making it a better treatment than minoxidil.
August 2025 in “Stem Cell Reviews and Reports” Nanovesicles from stem cells can help regrow hair and slow hair loss.
9 citations
,
July 2021 in “Frontiers in Pharmacology” Cholesterol-modified siRNAs targeting certain genes increased hair growth in mice.
1 citations
,
October 2022 in “Annals of Translational Medicine” Cucurbitacin helps mice grow hair by blocking a protein that stops hair growth.
92 citations
,
September 2013 in “Journal of Investigative Dermatology” BMAL1 and Period1 genes can influence human hair growth.
42 citations
,
September 2000 in “British Journal of Dermatology” Some children are born with unusually short, fine hair because their hair growth phase is short, but this often gets better by itself during puberty.
18 citations
,
January 2023 in “Nano Research” Red OLED therapy significantly boosts hair growth.
7 citations
,
January 1981 in “Springer eBooks” The document concludes that hair biology is complex and there are still unanswered questions about hair loss and follicle changes.
3 citations
,
January 2017 in “Journal of Pakistan Association of Dermatology” Tinea capitis affected 4.3% of school children, mostly boys, with T. violaceum as the main cause.
January 2026 in “Industrial Crops and Products” Ginsenoside Rf from Panax ginseng promotes hair growth and could be a natural alternative for treating hair loss.
October 2025 in “Skin Health and Disease” Photothermal conditioning of PRP shows promise for improving hair growth but needs more research for confirmation.
March 2024 in “Journal of functional foods” Collagen peptides from marine and bovine sources may help prevent hair loss by affecting hair follicle stem cells differently.
Transplanted rat hair follicles grew hair and had increased but not fully restored nerve connections in mice.
35 citations
,
August 2009 in “Journal of the American Academy of Dermatology” Melanocytes might be targeted by the immune system in people with alopecia areata, but more research is needed.
8 citations
,
September 2017 in “Journal of Natural Medicines” Applying an extract from Perilla frutescens helps hair grow and fights the effects of hair loss hormones.
1 citations
,
January 2018 in “Springer eBooks” Photobiomodulation is an effective and safe treatment for increasing hair growth in people with hair loss.
1 citations
,
January 2018 in “Springer eBooks” The document concludes that scalp cooling and treatments like minoxidil can help manage hair loss from cancer therapy.
9 citations
,
January 2017 in “Journal of the Egyptian Women's Dermatologic Society (Print)” Fungal infection was the main cause of hair loss in Egyptian children studied.
3 citations
,
January 2021 in “Skin appendage disorders” Hair loss can occur about 4 weeks after scalp surgery but usually grows back within 3 months without treatment.
March 2025 in “International Journal of Trichology” Injecting stem cells from a patient's own fat can improve hair growth in women with hair loss.
32 citations
,
September 2016 in “Dermatologic Surgery” The evidence for using Low-Level Laser Therapy for hair loss is limited and more thorough research is needed.
6 citations
,
April 2021 in “Frontiers in Immunology” A patient with lupus and long-term hair loss saw significant hair regrowth after using the drug tofacitinib.
1 citations
,
September 2022 in “Journal of the American Academy of Dermatology” Exosome therapy shows promise for hair growth but needs human trials for validation.
July 2025 in “Journal of Investigative Dermatology” Laser treatment boosts hair growth by activating a key growth factor.
A 14-year-old girl with a condition that makes her hair easy to pull out also has a hair-pulling disorder, and treatment helped but she relapsed after a year.
120 citations
,
November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.