127 citations,
June 2008 in “British Journal of Clinical Pharmacology” Low doses of some substances can be beneficial, while high doses can be harmful or toxic.
115 citations,
November 1999 in “Journal of The American Academy of Dermatology” Minoxidil increases hair weight and count temporarily in men with hair loss.
94 citations,
May 2011 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles greatly increase caffeine absorption through the skin shortly after it's applied.
88 citations,
April 2011 in “Archives of Dermatology” Type 2 diabetes, bacterial scalp infections, and tight hairstyles like braids and weaves are linked to a higher risk of a scarring hair loss condition in African American women.
72 citations,
January 2001 in “Drugs” Minoxidil and finasteride treat hair loss; more research needed for other options.
57 citations,
January 2014 in “Cold Spring Harbor Perspectives in Medicine” Skin stem cells maintain and repair the outer layer of skin, with some types being essential for healing wounds.
52 citations,
March 2016 in “JAMA dermatology” Patients with PCOS rate their hirsutism higher than clinicians, and these self-ratings are more closely related to their quality of life and risk of depression.
39 citations,
January 2008 in “Journal of Endocrinology” SCF and c-Kit decrease in AGA hair follicles, possibly affecting hair pigmentation and growth.
36 citations,
January 2010 in “Human & experimental toxicology” Eating paradise nuts led to selenium poisoning, causing nausea, hair loss, and other symptoms in two women.
27 citations,
January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” Somatostatin may help protect hair follicles from immune attacks.
25 citations,
April 2021 in “npj Regenerative Medicine” Mathematical modeling can improve regenerative medicine by predicting biological processes and optimizing therapy development.
25 citations,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Phototrichogram and hair diameter measurements are effective, noninvasive ways to assess hair growth and detect early hair loss, with the most common pattern being reduced hair density.
24 citations,
September 2012 in “Dermatologic Surgery” The conclusion is that normal scalp hair counts for Taiwanese people were established, showing age-related differences but not sex or scalp location differences.
24 citations,
August 2005 in “The American Journal of Dermatopathology” Vertical sections are better than horizontal sections for diagnosing alopecia.
21 citations,
January 2019 in “Lasers in Medical Science” Low-level laser therapy significantly increases hair density in adults with hair loss, with low-frequency treatment being more effective.
21 citations,
August 2014 in “Journal of Cell Communication and Signaling” Tsukushi helps control inflammation and aids in wound healing.
21 citations,
September 2008 in “Magnetic Resonance Imaging” MRI can effectively image skin structures noninvasively.
20 citations,
December 2017 in “Journal of Investigative Dermatology Symposium Proceedings” Researchers created a fast, accurate computer program to measure hair loss in alopecia areata patients.
20 citations,
October 2008 in “Archives of dermatological research” Angiogenin helps hair grow by stimulating cell growth and blood vessel formation.
18 citations,
December 2010 in “Journal of Trace Elements in Medicine and Biology” Women with AGA have more androstenedione and dihydrotestosterone, less copper and zinc; copper imbalance affects AGA; treatment improves hormones and minerals.
17 citations,
June 2002 in “Dermatologic Surgery” Chinese patients have fewer hair follicles than Caucasians, and transplanting hair at 40% of normal density works for natural-looking hairlines.
17 citations,
May 1997 in “Journal of Chromatography B: Biomedical Sciences and Applications” Method accurately measures finasteride in human plasma.
16 citations,
March 2007 in “The Veterinary clinics of North America. Food animal practice” Proper mineral supplementation in cow-calf operations prevents health issues and economic losses.
15 citations,
October 2012 in “Journal of circadian rhythms” RNA from horse hair follicles can track circadian rhythms non-invasively.
14 citations,
September 2018 in “JAMA Facial Plastic Surgery” Hair loss greatly lowers perceived health in both genders, and hair transplant surgery notably improves this.
13 citations,
January 2013 in “Dermatologic Surgery” Experienced hair transplant surgeons suggest a limited number of hair follicles can be used for transplants, and recommend conservative methods to avoid scarring and depletion.
11 citations,
February 2011 in “Current Zoology” About 20% of Japanese macaques had head alopecia, and stress and environment might cause hair loss.
11 citations,
January 2006 in “Analytica Chimica Acta” Validated method reliably measures finasteride in tablets using liquid chromatography.
10 citations,
May 2018 in “Cell death discovery” HSP90 and lamin A/C are crucial for hair growth and could be targets for treating hair loss.
10 citations,
June 2001 in “International Journal of Cosmetic Science” Natural shampoos made in the lab conditioned hair better than commercial ones with chemicals.