63 citations,
March 2000 in “Annals of clinical psychiatry” Some psychiatric medications can cause hair loss, but it usually grows back after adjusting the medication.
59 citations,
March 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Smad-4 and Smad-7 are key in hair follicle development, with other Smads being less important.
58 citations,
March 1985 in “Journal of The American Academy of Dermatology” The document concludes that electrolysis and thermolysis can permanently remove hair but calls for better regulation to ensure safety, and notes a possibility of hair regrowth and rare complications.
50 citations,
August 1999 in “Experimental dermatology” The control system for hair growth cycles is not well understood and needs more research.
45 citations,
April 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” Different Myc family proteins are located in various parts of the hair follicle and may affect stem cell behavior.
44 citations,
March 2004 in “Journal of Investigative Dermatology” The effects of estrogen on human hair growth are unclear and need more research.
40 citations,
December 1980 in “The Journal of Dermatologic Surgery and Oncology” An improved scalp reduction technique reduces the need for hair grafts and has minimal complications.
36 citations,
December 2016 in “Journal of The American Academy of Dermatology” The normal range for the hair pull test is 2 hairs or fewer, and washing or brushing hair before the test does not affect the results.
35 citations,
March 2014 in “British Journal of Dermatology” Hair loss in male pattern baldness involves muscle degeneration and increased scalp fat.
33 citations,
August 2018 in “Facial Plastic Surgery Clinics of North America” The document explains hair biology, the causes of hair loss, and reviews various hair loss treatments.
32 citations,
November 2020 in “Nanomaterials” Excipients greatly affect how well curcumin nanocrystals penetrate the skin and target hair follicles.
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.
29 citations,
March 2015 in “Journal of Investigative Dermatology” Cyclosporine A promotes hair growth and prolongs the active growth phase in human hair follicles, but may work differently than in rodents.
21 citations,
April 2015 in “Psychology Research and Behavior Management” Cognitive-behavioral therapy is the best treatment for hair-pulling disorder, and combining it with other therapies could improve results.
21 citations,
May 2017 in “International Journal of Dermatology” Overweight smokers have worse hair loss.
20 citations,
January 2015 in “Current problems in dermatology” Hair gets thinner, grayer, and changes texture with age due to genetics, environment, and cellular changes, affecting the growth cycle.
18 citations,
May 2016 in “Annals of Medicine” The article concludes that correctly diagnosing systemic causes of hair loss requires a detailed clinical evaluation and a systematic diagnostic approach.
18 citations,
April 2013 in “Inflammatory Bowel Diseases” People with Inflammatory Bowel Disease often lose hair due to stress, medication side effects, or lack of nutrients, and treatment depends on the specific cause.
18 citations,
December 2009 in “Canadian Journal of Animal Science” The BMP2 gene is more active in the early growth phase of Cashmere goat hair and may affect hair regeneration and textile production.
18 citations,
September 2003 in “The journal of investigative dermatology/Journal of investigative dermatology” VDUP1 is found in skin and hair follicles, interacts with sciellin, and may help regulate skin cell differentiation.
17 citations,
August 2018 in “BMC Genomics” The HOXC13 gene affects different hair proteins in cashmere goats in varied ways and is controlled by a feedback loop and other factors.
16 citations,
February 2022 in “Science Advances” Follistatin and LIN28B together improve the ability of inner ear cells in mice to regenerate into hearing cells.
16 citations,
June 2019 in “International Journal of Women's Dermatology” Type 2 diabetes may increase the risk of severe hair loss in African American women.
16 citations,
May 2000 in “Endocrinology” A new gene, mrp4, is found in mice and may play a unique role in hair follicle development in tails and ears.
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,
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.
13 citations,
August 2016 in “Journal of Cosmetic Dermatology” Using normal saline in vertical extraction for hair transplants reduces donor area injury more than acute extraction.
12 citations,
January 2021 in “Journal of Investigative Dermatology” Hair follicle studies suggest that maintaining telomere length could help treat hair loss and graying, but it's uncertain if mouse results apply to humans.
12 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain sex hormones and antiandrogens can either slow down or speed up the growth of human hair follicle cells depending on their concentration.
11 citations,
January 2004 in “Exogenous dermatology” Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.