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.
June 2023 in “International journal of science and research” PRP injections help hair regrowth safely but may need more research.
August 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Mouse touch-sensitive nerve cells adjust their connections based on competition with other similar cells.
June 2019 in “The Egyptian Journal of Histology” Hyaluronic acid injections improve skin thickness and quality, protecting against aging in rats.
Hair restoration surgery has improved to transplant hair in natural groupings, but it's labor-intensive and can't fully restore normal hair density.
AGA causes permanent hair loss; women use 2% minoxidil, men use 1 mg finasteride daily.
April 2008 in “Blackwell Publishing Ltd eBooks” AGA causes permanent hair loss; minoxidil helps men, finasteride helps men, minoxidil somewhat helps women, estrogens/antiandrogens lack evidence for women.
2 citations
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January 2015 in “Sen'i Gakkaishi” Washing permed hair after using thioglycolic acid helps reform strong bonds, making hair stronger.
Different treatments change the strength and flexibility of human hair.
May 2026 in “Applied Spectroscopy” Humidity affects hair structure changes during stretching.
417 citations
,
September 2005 in “PLoS biology” Understanding gene expression in hair follicles can reveal insights into hair growth and disorders.
63 citations
,
May 2011 in “Clinical cancer research” The topical inhibitor CUR61414 was not effective in treating basal cell carcinoma in human trials.
22 citations
,
June 2002 in “Seminars in cutaneous medicine and surgery” Laser hair removal works well for people with dark hair and light skin, but it's less effective for light hair or dark skin; improvements are expected.
16 citations
,
February 2017 in “Dermatology and Therapy” The new visual scale is a quick and effective way to measure hair loss in women.
2 citations
,
December 2003 Saw palmetto is an effective natural treatment for hair loss with minimal side effects.
1 citations
,
January 2020 in “Qucosa (Saxon State and University Library Dresden)” Fine hair on bovine leathers is hard to remove, lowering leather quality and value, but can be managed with specific processing methods.
1 citations
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August 2000 in “Expert Opinion on Therapeutic Patents” Boosting mitochondrial energy production with supplements like acetyl-L-carnitine may improve aging-related cellular function and health conditions.
January 2026 in “International journal of research and scientific innovation” Quail bone ash and sesame oil may help reduce hair fall and promote growth.
The treatment was ineffective in humans.
July 2022 in “International Journal of Science and Research (IJSR)” The herbal hair oil effectively nourishes hair and helps with dandruff, hair loss, and split ends without causing skin irritation.
May 2022 in “Pharmacognosy journal” Moringa seed oil may help prevent hair loss and promote hair growth.
February 2021 in “Journal of pharmaceutical and biological sciences” No cure exists for alopecia areata, and treatments are personalized.
January 2016 in “Chemistry & Industry” Two drugs, tofacitinib and ruxolitinib, may help regrow hair by activating hair follicles.
October 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Root hair growth slows under force, confirming a model of cell wall mechanics.
11 citations
,
May 2016 in “PubMed” New imaging and testing methods can effectively assess hair shape changes and damage.
506 citations
,
January 2012 in “Molecular and Cellular Endocrinology” Melatonin affects many body functions beyond sleep by interacting with specific receptors in various tissues.
383 citations
,
February 2011 in “Nature Reviews Genetics” DNA profiling in forensics has improved, but predicting physical traits and ancestry from DNA has limitations and requires ethical consideration.
240 citations
,
April 2011 in “Pigment Cell & Melanoma Research” Melanocyte stem cells in hair follicles are key for hair color and could help treat greying and pigment disorders.
210 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.
156 citations
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October 2012 in “Seminars in Cell & Developmental Biology” Different types of stem cells in hair follicles play unique roles in wound healing and hair growth, with some stem cells not originating from existing hair follicles but from non-hair follicle cells. WNT signaling and the Lhx2 factor are key in creating new hair follicles.