12 citations
,
June 2006 in “Anais Brasileiros de Dermatologia” The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.
31 citations
,
July 2017 in “Stem cell investigation” Platelet-rich plasma (PRP) is a simple, cost-effective treatment that promotes hair growth and reduces hair loss, with high patient satisfaction.
67 citations
,
February 2010 in “Acta Obstetricia et Gynecologica Scandinavica” Hirsutism is a strong sign of high male hormones and metabolic problems in women with PCOS, but acne and hair loss are not.
63 citations
,
May 2017 in “American Journal of Clinical Dermatology” People with alopecia areata often have lower levels of vitamin D, zinc, and folate, but more research is needed to understand if supplements can help treat it.
4 citations
,
December 2022 in “Advanced science” SCD1 is important for hair growth by keeping the connection in skin cells where hair stem cells live stable.
March 2021 in “Actas Dermo-Sifiliográficas” The microbiome may be linked to hair loss and could be a target for new treatments.
2 citations
,
December 2022 in “Metabolites” Hair analysis shows low progesterone in anorexia patients, unchanged by short-term weight gain.
20 citations
,
October 2021 in “PLoS ONE” Newborn skin is uniquely prepared to adapt to new environments compared to adult skin.
January 2026 in “Psychoneuroendocrinology” Lye relaxers don't significantly change hair cortisol levels.
50 citations
,
June 2014 in “Experimental and Clinical Endocrinology & Diabetes” Hair hormone levels can indicate obesity-related changes and are useful for research and clinical practice.
14 citations
,
July 2016 in “Anatomical Science International” The study suggests that the arrector pili muscle is important for hair health and its damage might contribute to hair loss.
28 citations
,
September 1986 in “Pediatric dermatology” Zinc therapy improved hair health in a girl with acrodermatitis enteropathica.
16 citations
,
October 2014 in “Oral surgery, oral medicine, oral pathology and oral radiology” Keratoacanthoma comes from hair follicle cells.
January 2024 in “ResearchWorks at the University of Washington (University of Washington)” LA-ICP-MS effectively measures zinc, lead, and mercury in hair.
7 citations
,
November 2022 in “Toxics” The method accurately measures 19 steroid hormones in human blood and urine using a small sample and is suitable for large-scale monitoring.
1 citations
,
December 2023 in “International journal of molecular sciences” miR-199a-3p controls hair growth and is linked to alopecia areata.
December 2023 in “Forensic science international. Genetics” The RapidHIT ID system can effectively get DNA profiles from hair roots with enough cells.
December 2023 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.
10 citations
,
June 2018 in “Journal of visualized experiments” The document concludes that the technique allows for the detection of LDH activity in various tissues, showing where cells are actively metabolizing glucose.
50 citations
,
July 2018 in “Psychoneuroendocrinology” Hair cortisol can indicate long-term stress levels, but hair growth rate differences may affect accuracy.
12 citations
,
March 1958 in “American Journal of Clinical Nutrition” Shampooing can affect the loss of minerals like calcium and iron from hair.
8 citations
,
October 2022 in “International Journal of Legal Medicine” Drugs in drowned bodies' hair remain stable in natural water, aiding forensic analysis.
8 citations
,
January 2018 in “Journal of cosmetic dermatology” Conditioners in hair dye reduce damage and improve combability.
23 citations
,
June 2005 in “Journal of cosmetic dermatology” Men with hair loss may have lower self-esteem and could benefit from treatment and psychological support.
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.
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.
189 citations
,
January 2014 in “Journal of Visualized Experiments” Hair cortisol analysis effectively measures long-term stress.
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.
February 2025 in “Animals” Hair mineral content can non-invasively monitor yak health and nutrition.
90 citations
,
July 2014 in “Conservation Physiology” Hair cortisol levels in brown bears can be affected by both long-term and short-term stress.