50 citations,
August 1999 in “Experimental dermatology” The control system for hair growth cycles is not well understood and needs more research.
47 citations,
December 2020 in “Journal of the European Academy of Dermatology and Venereology” The document concludes that understanding and treating hair loss requires recognizing its various types and using appropriate diagnostic tools and treatments.
46 citations,
January 2020 in “Theranostics” Injecting a special gel with human protein particles can help hair grow.
43 citations,
November 2007 in “Dermatologic Clinics” Hair and nail changes can indicate health issues, including cancer and side effects from cancer treatments.
42 citations,
March 2006 in “Drug Discovery Today: Therapeutic Strategies” The conclusion is that we need more effective hair loss treatments than the current ones, and these could include new drugs, gene and stem cell therapy, hormones, and scalp cooling, but they all need thorough safety testing.
40 citations,
April 2006 in “Journal of the European Academy of Dermatology and Venereology” The Trichoscan system was found to be inaccurate for measuring hair growth, needing better software to be useful.
38 citations,
January 2015 in “Journal of Cosmetic Dermatology” The nutritional supplement improved hair density and reduced hair loss in women with female pattern hair loss.
37 citations,
November 2003 in “Veterinary pathology” Hair loss in mice starts with immune cells damaging hair roots before it becomes visible.
32 citations,
December 1969 in “The Lancet” Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.
31 citations,
September 2009 in “Natural Product Research” Citrullus colocynthis fruit extract may effectively treat testosterone-related hair loss, similar to finasteride.
31 citations,
April 2007 in “Experimental Dermatology” Stress in mice delays hair growth and treatments blocking substance P can partly reverse this effect.
28 citations,
November 2020 in “Journal of Controlled Release” A new hair loss treatment uses tiny needles to deliver a drug-loaded lipid carrier, promoting hair growth more effectively than current treatments.
27 citations,
May 2010 in “Dermatologic surgery” Photodynamic therapy with methyl 5-aminolevulinic acid is ineffective for treating alopecia totalis.
25 citations,
April 2015 in “Journal of Investigative Dermatology” GasderminA3 is important for normal hair cycle transitions by controlling Wnt signaling.
25 citations,
November 2012 in “Phytotherapy Research” Crataegus pinnatifida extract may help increase hair growth and thickness in mice.
24 citations,
October 2017 in “Scientific reports” Changing light exposure can affect hair growth timing in goats, possibly due to a key gene, CSDC2.
24 citations,
November 2013 in “British Journal of Dermatology” Chemotherapy causes hair loss starting soon after treatment begins and recovers about 3 months after ending, while tamoxifen does not significantly affect hair growth.
23 citations,
January 2020 in “Central-European Journal of Immunology/Central European Journal of Immunology” Alopecia areata, a type of hair loss, is likely an autoimmune disease with a genetic link, but its exact cause is still unknown.
23 citations,
April 2006 in “Skin Research and Technology” The study concluded that a special imaging technique showed women with hair loss have slower hair growth and a faulty hair replacement cycle.
23 citations,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Alopecia Areata is an autoimmune disease affecting hair follicles, influenced by genetic and environmental factors, with rodent models being essential for research.
23 citations,
April 1999 in “Dermatologic Clinics” Pulsed-intense light can significantly reduce hair, with effectiveness depending on treatment number and timing, and has mild side effects.
22 citations,
March 2004 in “Dermatology” Topical estrogen helps hair growth in menopausal women with no major side effects.
22 citations,
August 1999 in “Experimental Dermatology” Certain drugs can cause early hair growth in mice by affecting the nerves.
20 citations,
December 2015 in “Journal of Pharmacopuncture” Thread-embedding therapy helped hair grow back in mice and might do the same in humans.
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.
20 citations,
February 2004 in “Veterinary dermatology” Dog hair grows back in about 14 weeks after being clipped for surgery, and the season doesn't really affect this growth rate.
20 citations,
December 1997 in “Clinical Endocrinology” Spironolactone may help reduce hair loss in androgenic alopecia.
20 citations,
November 1968 in “The Lancet” Potassium levels affect blood sugar and insulin during dialysis, and malnutrition changes children's hair roots.
19 citations,
December 2001 in “Dermatologic Therapy” Horizontal scalp biopsy sections are better for diagnosing alopecia areata, showing fewer hair follicles and more miniaturized hairs.
18 citations,
January 2020 in “Ecology and evolution” Genes related to pigmentation, body rhythms, and behavior change during hares' seasonal coat color transition, with a common genetic mechanism in two hare species.