309 citations,
May 1993 in “Journal of The American Academy of Dermatology” Horizontal scalp biopsy sections effectively diagnose and predict MPAA, with follicular density and inflammation impacting hair regrowth.
8 citations,
November 2020 in “Infant behavior & development” Collecting hair for cortisol analysis is possible in low-income mother-toddler pairs.
August 2010 in “Journal of The American Academy of Dermatology” The document explains the diagnosis and characteristics of woolly hair nevus and alopecia neoplastica.
41 citations,
September 2014 in “JAMA Facial Plastic Surgery” Use finasteride, minoxidil, and follicular unit transplantation for hair loss treatment.
8 citations,
September 2018 in “Drug testing and analysis” EtG levels in hair decrease significantly after one month of alcohol abstinence.
63 citations,
March 1995 in “International Journal of Dermatology” Some drugs can cause hair loss, and stopping these drugs often leads to hair regrowth.
59 citations,
February 1998 in “Chemico-Biological Interactions” Minoxidil breakdown varies by enzymes, affecting hair loss treatment effectiveness.
39 citations,
March 1987 in “Journal of The American Academy of Dermatology” Topical minoxidil is a safe and effective treatment for hair loss caused by androgenetic alopecia.
36 citations,
November 1961 in “Archives of Dermatology” The document suggests that the traditional understanding of hair growth cycles and alopecia may be inaccurate and that blood supply plays a significant role in hair growth and loss.
33 citations,
December 2013 in “Journal of cutaneous pathology” A fungal infection can look like a different scalp condition in teens, leading to wrong treatment until proper tests are done.
30 citations,
May 1991 in “Psychosomatics” Some psychiatric medications can cause reversible hair loss.
16 citations,
November 1992 in “Journal of International Medical Research” ViviScal®, a food supplement, was found to be highly effective in treating hereditary hair loss in young males, while fish extract showed no impact.
12 citations,
December 2017 in “Scientific reports” The new test can measure very small amounts of testosterone in hair, and grinding the hair up first gives more accurate results.
11 citations,
September 2020 in “Steroids” A new method accurately measures steroid hormones in a few hair strands and could help study chronic stress and hair loss.
2 citations,
June 2022 in “Scientific reports” Women with PCOS have higher hair cortisol levels, which are linked to worse metabolic and inflammatory conditions.
2 citations,
April 2022 in “Clinical, cosmetic and investigational dermatology” A new plant-based treatment was effective for hair regrowth in women with a specific type of hair loss that didn't respond to usual treatments.
2 citations,
December 2021 in “Scientific reports” Scalp hair sweating is a significant predictor of hair cortisol levels.
1 citations,
October 2023 in “PloS one” Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.
1 citations,
August 2006 in “International forensic science and investigation series” Hair testing is a reliable method for detecting workplace drug use when done with proper sample preparation and confirmation.
September 2023 in “Scientific reports” Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
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.
January 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Mothers have more hair proteins than their children, with age-related differences in protein patterns, and some proteins in hair could indicate early childhood development.
April 2012 in “Informa Healthcare eBooks” Telogen effluvium is a common hair loss condition where many hairs enter the resting phase, often not noticeable until significant loss occurs, and treatment focuses on the underlying cause.
9 citations,
October 2016 in “Forensic science international” Hair area varies with age and sex, but hair index and medullary index do not.
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,
October 2020 in “Therapeutic drug monitoring” Lower tacrolimus levels (4-7 ng/mL) after liver transplant may be safe and improve graft and kidney function.
3 citations,
May 2022 in “Clinical endocrinology” Hair steroid measurement is an effective method to diagnose and monitor CAH in developing countries.
12 citations,
August 2022 in “Ecotoxicology and Environmental Safety” A new method accurately detects bisphenols and parabens in human hair.
9 citations,
January 2019 in “International Journal of Trichology” Combining calcipotriol with mometasone is more effective for treating alopecia areata than using mometasone alone.
7 citations,
April 2022 in “Journal of pharmaceutical and biomedical analysis” The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.