April 2016 in “Journal of Investigative Dermatology” Wnt ligands, produced by dermal papilla cells, are essential for adult hair growth and regeneration.
MicroRNA miR-22 causes hair loss by making hair follicles regress early.
March 2014 in “Journal of The American Academy of Dermatology” A botanical extract may help manage hair loss from chemotherapy by preventing cell death in hair follicles.
March 2014 in “Journal of The American Academy of Dermatology” The new topical product combined with finasteride significantly increased hair thickness without side effects.
April 2013 in “Cancer Research” A botanical extract was found to be a safe treatment that may prevent hair loss in chemotherapy patients.
January 2012 in “Else Kröner-Fresenius Symposia” Maintaining DNA integrity in stem cells is crucial to prevent aging and cancer.
June 2009 in “Pigment Cell & Melanoma Research” Preventing hair graying may be possible by managing oxidative stress and activating melanocyte stem cells.
January 2008 in “Memorial University Research Repository (Memorial University)” Pygopus 2 helps ovarian cancer cells grow by aiding ribosomal RNA production, independent of Wnt signaling.
The document concludes that Loose Anagen Hair Syndrome is a benign condition where hair is thin and easily pulled out, often improving with age.
August 2005 in “The Journal of Cell Biology” Sgk3 kinase is essential for normal hair growth in mice.
December 2004 in “Medicine” Pregnancy can cause skin changes and may affect pre-existing skin conditions, with some treatments not safe for use during pregnancy.
September 2004 in “Experimental Dermatology” Stress increases nerve growth factor, causing hair loss in mice.
April 2000 in “Chinese Journal of Dermatology” Epidermal growth factor (EGF) boosts hair follicle growth and speeds up hair cycle transition.
November 1995 in “Journal of Pediatric Health Care” Most hair loss in kids and teens is due to common conditions, and hair usually grows back within 6 months.
August 2015 in “Dermatologica Sinica” Men with severe hair loss may have poorer sperm quality.
January 2011 in “Journal of biological research” Endocrine disruptors may cause early hair loss.
January 2009 in “CRC Press eBooks” Androgenetic alopecia, or common baldness, is the main cause of hair loss in men due to shrinking hair follicles from hormones, and it's normal but can be a problem if it's too much or too early.
93 citations
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May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
40 citations
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July 1989 in “Journal of Cell Science” Rat hair follicles can be kept alive in a lab for 7 days but then stop growing.
23 citations
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October 2006 in “Journal of Dermatological Science” Ethosomal minoxidil improves hair growth by penetrating deeper into skin and shortening hair cycle.
18 citations
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October 1984 in “International Journal of Dermatology” Lithium therapy may cause temporary hair loss, with possible regrowth if treatment is stopped or continued.
7 citations
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March 2012 in “Journal of Investigative Dermatology” Some thymic peptides can increase human hair growth, while others may inhibit it.
6 citations
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October 2012 in “BMJ” The woman's hair loss was mainly due to stress and low iron levels, and her hair grew back after treatment.
July 2024 in “Journal of the American Academy of Dermatology” Oral retinoids like isotretinoin and acitretin can cause significant hair loss.
November 2022 in “Medicina” COVID-19 may cause temporary hair loss due to the body's immune response.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Changing the structure of the hair follicle's environment can affect hair quality but doesn't stop hair growth.
Caffeine in Alpecin shampoo may help prolong hair root activity and reduce hair loss.
January 2018 in “Springer eBooks” Telogen Effluvium causes more hair loss because hair moves to the resting phase too soon.
47 citations
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May 1999 in “Reproduction” Goat reproductive activity and coat growth are affected by light and temperature, with temperature altering prolactin levels and hair growth, but not melatonin or estrus onset.
32 citations
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January 2022 in “International Journal of Molecular Sciences” Melatonin, a hormone, can help protect skin from aging by reducing stress, inflammation, and damage, and may also help treat hair loss in women.