98 citations
,
October 2012 in “Dermatologic Clinics” Eating the right nutrients can improve hair health, but taking extra supplements usually doesn't help unless you have a deficiency.
97 citations
,
September 2011 in “British Journal of Dermatology” The human hair follicle can store topical compounds and be targeted for drug delivery with minimal side effects.
94 citations
,
September 2014 in “Therapeutic Delivery” Nanoparticles can improve skin treatments by better targeting hair follicles, but more research is needed for advancement.
72 citations
,
December 1996 in “Journal of Investigative Dermatology” Human hair follicles can regenerate after removal, but with low success rate.
68 citations
,
November 2012 in “Journal of Investigative Dermatology” Prostaglandin D2 blocks new hair growth after skin injury through the Gpr44 receptor.
66 citations
,
April 2002 in “Journal of The American Academy of Dermatology” Finasteride increases hair weight and count in men with hair loss.
59 citations
,
August 1998 in “International Journal of Dermatology” Genetics and hormones cause hair loss; finasteride treats it safely.
56 citations
,
November 2010 in “Pigment Cell & Melanoma Research” Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.
54 citations
,
October 2002 in “Journal of controlled release” Medium lipophilic substances penetrate skin best, and adding ethanol can increase delivery to hair follicles.
53 citations
,
April 2018 in “Journal of The American Academy of Dermatology” Cancer treatments often cause hair disorders, significantly affecting patients' quality of life, and better management methods are needed.
52 citations
,
August 1978 in “Journal of Applied Polymer Science” Human hair's ability to get wet is complex and can change with treatments, damage, and environment.
43 citations
,
August 2013 in “Pediatric Dermatology” Trichoscopy is good for diagnosing and monitoring hair and scalp problems in children but needs more research for certain conditions.
42 citations
,
October 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the KRT85 gene cause hair and nail problems.
36 citations
,
October 1996 in “Dermatologic Clinics” Mice are useful for researching human hair loss and testing treatments, despite some differences between species.
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.
31 citations
,
December 2002 in “Biochimica et biophysica acta. G, General subjects/Biochimica et biophysica acta. General subjects (Online)” The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.
30 citations
,
December 2018 in “Trends in Endocrinology and Metabolism” Both immature and mature fat cells are important for hair growth cycles, with immature cells promoting growth and mature cells possibly inhibiting it.
27 citations
,
January 2010 in “Animal” South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.
24 citations
,
November 2015 in “Scientific reports” Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.
21 citations
,
December 2011 in “Chungara” Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
16 citations
,
June 2017 in “PLoS ONE” A 6-group hair classification is more reliable for drug testing than an 8-group system.
15 citations
,
June 2015 in “Lasers in Medical Science” The 830-nm wavelength was most effective at promoting hair growth in rats using low-level laser therapy.
14 citations
,
January 2021 in “Scientific Reports” Using micro skin tissue columns improves skin wound healing and reduces scarring.
14 citations
,
January 2020 in “PloS one” Timing of light therapy affects horse coat growth, with photoperiod being crucial.
12 citations
,
January 1978 in “The Laryngoscope” Using a scalp flap for hair transplantation gives denser, faster results than older methods, but it's complex and needs careful planning.
11 citations
,
July 2017 in “Regenerative Medicine” The patch assay can create mature hair follicles from human cells and may help in hair loss treatments.
9 citations
,
April 2019 in “Journal of structural biology” Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
8 citations
,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
7 citations
,
January 2010 in “Animal” Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.
6 citations
,
October 2020 in “Journal of the European Academy of Dermatology and Venereology” Teletrichoscopy is a promising method for diagnosing hair disorders remotely during the COVID-19 pandemic.