128 citations
,
January 1996 in “Journal of analytical toxicology.” Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.
51 citations
,
July 2013 in “Bioorganic & Medicinal Chemistry Letters” Compounds from Polygonum multiflorum root, especially a new one, can boost hair growth more effectively than common treatments.
36 citations
,
April 2016 in “British journal of dermatology/British journal of dermatology, Supplement” A substance called VIP might protect hair follicles from being attacked by the immune system, and problems with VIP signaling could lead to hair loss in alopecia areata.
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.
27 citations
,
May 2017 in “Marine Drugs” Undariopsis peterseniana extract helps hair grow by activating certain cell growth pathways and could be a new treatment for hair loss.
26 citations
,
May 2019 in “PLOS ONE” Hair loss patients have different microbes in hair follicles, possibly affecting hair loss.
21 citations
,
April 1990 in “Journal of comparative neurology” The study found that nerve signals are stronger when there are more connection points, but not necessarily denser, along the nerve's path in the spine.
21 citations
,
April 1982 in “Genetics Research” Mice with the naked gene have missing or abnormal hair cells.
17 citations
,
February 2013 in “PLOS ONE” 6-Gingerol, found in ginger, may slow down hair growth and could be used for hair removal.
11 citations
,
November 2015 in “Skin Research and Technology” Women's hair grows faster and thicker than men's, but hair growth slows for both genders with pattern hair loss.
11 citations
,
March 2001 in “Clinics in Dermatology” Hair microscopy is useful for diagnosing hair disorders, but clear definitions are needed for accurate genetic analysis.
9 citations
,
September 2009 in “Journal of Cutaneous Medicine and Surgery” UV light causes skin color loss in bald areas; wear a cap and use sunscreen.
3 citations
,
April 2015 in “International research journal of pharmacy” Gentamicin penetrates pig skin better through open hair follicles than blocked ones.
3 citations
,
February 2011 in “Journal of Biomedical Research/Journal of biomedical research” A new mutation in the KRT86 gene was found to cause the hair disorder monilethrix in a Han family.
2 citations
,
January 2017 in “Journal of Biotechnology Research Center” Hair dyes affect DNA analysis results, with the prepFiler kit working best for hair with follicles.
2 citations
,
August 2016 in “kufa journal for nursing sciences” Many elderly in geriatric homes are overweight and need better nutrition management and education.
2 citations
,
October 2007 in “Kafrelsheikh Veterinary Medical Journal” Buffalo lips are well-suited for eating plants.
November 2025 in “International Journal for Research in Applied Science and Engineering Technology” The herbal hair oil made with natural ingredients effectively reduces hair fall, dandruff, and prevents premature graying.
September 2025 in “International Journal For Multidisciplinary Research” Androgenetic alopecia is linked to a higher risk of metabolic syndrome.
June 2023 in “Medeniyet medical journal” People with alopecia areata have similar retinal structures but thicker choroidal regions compared to those without the condition.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
Wildebeest stress and hormone levels are influenced by food availability, human presence, and reproductive cycles.
October 2019 in “Skin appendage disorders” The vitreous membrane in hair follicles changes shape during the hair cycle and may affect hair growth and nutrient exchange.
November 2015 in “European Journal of Inflammation” Cicatricial alopecia, a permanent hair loss condition, is mainly caused by damage to specific hair follicle stem cells and abnormal immune responses, with gene regulator PPAR-y and lipid metabolism disorders playing significant roles.
February 1956 in “Bulletin of Experimental Biology and Medicine” Glycogen levels in mouse skin drop after injury but increase during healing, returning to normal within a month.
June 2020 in “Journal of Investigative Dermatology” Leukocyte-rich platelet-rich plasma is safe and can potentially help treat scarring hair loss.
March 2020 in “Journal of Laser Applications” Photobiomodulation therapy significantly increases hair density and growth for androgenic alopecia, but more research is needed to confirm safety.
66 citations
,
June 2004 in “Biophysical Journal” Hard α-keratin in hair has a unique, nonordered structure, different from other fibers.
18 citations
,
April 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin patterns are formed by simple reaction-diffusion mechanisms.