March 2023 in “Nigerian Journal of Clinical Practice” The main difference in hair loss for lupus patients is smaller and fewer sebaceous glands.
October 2022 in “The Korean Journal of Physiology and Pharmacology” Targeting the PGD2-DP2 pathway may help treat hair loss.
May 2015 in “Hair transplant forum international” Androgenetic alopecia causes hair loss by shrinking hair follicles due to androgens, with the connection between the muscle and hair follicle determining if the loss is reversible.
24 citations,
April 2013 in “PLOS ONE” TNFα, IFNγ, and Substance P significantly affect prolactin levels in human skin, suggesting new treatments for skin and hair conditions.
9 citations,
September 2022 in “Frontiers in Physics” The technique accurately identifies and evaluates hair follicle structures in skin.
8 citations,
October 2021 in “Experimental cell research” Engineered vesicles from macrophages help hair growth in mice and humans.
5 citations,
June 2020 in “Therapeutic drug monitoring” Hair sample weight is a better measure for cortisol levels in hair than hair protein concentration.
4 citations,
January 2019 in “Micron” Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.
4 citations,
January 2016 in “Skin research and technology” Oxidative hair dye changes hair color and structure but doesn't weaken it.
4 citations,
September 2015 in “JAAD case reports” Substance P may play a role in the inflammation seen in keratosis follicularis spinulosa decalvans.
3 citations,
February 2023 in “ACS omega” Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
3 citations,
October 2021 in “Clinica Chimica Acta” Hormone levels in hair vary across the head, with the highest concentration of a key hormone linked to hair loss at the top.
2 citations,
May 2023 in “International Journal of Molecular Sciences” Gene expression in hair follicles can help diagnose methamphetamine use disorder.
1 citations,
November 2023 in “Cosmetics” Surfactants damage hair, but sealing the cuticle can prevent this.
1 citations,
July 2023 in “Psychoneuroendocrinology” Hair cortisol is a reliable marker of long-term cortisol levels and is linked to daytime saliva cortisol but not morning levels.
1 citations,
January 2017 in “PubMed” All five hair fiber products improved appearance but didn't stick to completely bald areas.
June 2023 in “Clinica Chimica Acta” Finasteride and dutasteride effectively reduce DHT in hair, which may help evaluate their treatment success for hair loss.
January 2021 in “Lecture notes in mechanical engineering” High temperatures, acidic conditions, and too much coconut oil damage hair, while a pH of 5 to 7 keeps it healthy.
January 2016 in “American Journal of Clinical and Experimental Medicine” Lower zinc levels in hair are linked to more severe male pattern baldness, but blood zinc levels don't show this link. Age also increases baldness severity.
117 citations,
August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
99 citations,
July 2005 in “Ultramicroscopy” The research improved understanding of hair and skin properties across different ethnicities and conditions.
92 citations,
September 2013 in “Journal of Investigative Dermatology” BMAL1 and Period1 genes can influence human hair growth.
74 citations,
July 2008 in “Journal of Dermatological Case Reports” Trichoscopy is a quick and easy way to diagnose most genetic hair problems without invasive methods.
69 citations,
January 2002 in “Journal of biomedical optics” Dyes can penetrate human skin and hair follicles up to 1.2 mm deep and the sebaceous gland can store dye; Indocyanine Green lotion was made for safe dyeing and monitoring.
67 citations,
May 2013 in “Therapeutic drug monitoring” Wait 4-5 weeks after drug use before hair testing and cut hair into three segments to confirm single drug exposure.
53 citations,
November 1997 in “Journal of Forensic Sciences” Darker hair in guinea pigs holds more codeine than lighter hair.
44 citations,
April 2013 in “Proceedings of the National Academy of Sciences of the United States of America” FGF13 gene changes cause excessive hair growth in a rare condition.
33 citations,
January 2017 in “Journal of Cutaneous and Aesthetic Surgery” Platelet-rich plasma injections can effectively treat male pattern hair loss, improving hair density and quality with high patient satisfaction.
27 citations,
August 2021 in “Journal of Autoimmunity” Human dermal γδT-cells respond to stress in hair follicles, contributing to hair loss.
15 citations,
June 2015 in “F1000Research” Psoriasis may be chronic because it lacks certain immune system controls that prevent overreaction.