72 citations
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January 1983 in “The Anatomical Record” Epidermal growth factor delays skin and hair development in mice.
29 citations
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April 1997 in “Developmental Dynamics” Trypsin slows hair growth and affects color by causing cell death in hair follicles.
3 citations
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April 1997 in “Developmental Dynamics” Trypsin slows hair growth and affects color by causing cell death in hair follicles.
161 citations
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August 2013 in “Journal of experimental botany” Certain inhibitors slow down plant growth by causing early cell specialization without changing the cell development pattern.
51 citations
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December 2003 in “The FASEB Journal” The substance AS101 can help hair grow by slowing down hair cell aging and boosting a hair growth protein.
3 citations
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August 2003 in “PubMed” Bergamot and boxthorn extract may improve skin health and promote hair growth in mice.
December 2024 in “Pediatrics in Review” Early detection and treatment of Menkes disease with copper injections are crucial for better outcomes.
10 citations
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October 2017 in “Pediatric neurology” Biotin and acetazolamide improved hair and nail growth, mental function, and reduced headaches in a child with autism.
2 citations
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January 2010 Hair density is better measured by counting hairs over 40 microns thick.
79 citations
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August 1998 in “The Journal of Cell Biology” Keratin 16 delays skin maturation and affects skin and hair development in mice.
December 2022 in “Biochemical and Biophysical Research Communications” HtrA2 activity is crucial for normal hair growth by regulating fat cell development.
63 citations
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April 2005 in “Mechanisms of development” Mice with too much Claudin-6 have skin barrier problems and abnormal hair growth.
16 citations
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January 1998 in “Dermatology” Androgens may worsen a natural hair resting phase, possibly leading to hair loss.
6 citations
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October 2015 in “Experimental dermatology” Adenine helps delay aging in human hair follicle cells.
52 citations
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February 2012 in “PloS one” Lack of Ctip2 in skin cells delays wound healing and disrupts hair follicle stem cell markers in mice.
February 2022 in “Obstetrics and gynaecology cases - reviews” PCOS can cause unusual symptoms like late puberty and enlarged clitoris, making diagnosis difficult.
August 2025 in “Stem Cell Reviews and Reports” Nanovesicles from stem cells can help regrow hair and slow hair loss.
December 2019 in “Mehmet Akif Ersoy Üniversitesi Sağlık Bilimleri Enstitüsü dergisi” One cat with low thyroid hormone had growth issues, and another with high thyroid hormone had skin problems; both got better with treatment.
19 citations
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March 2004 in “The Journal of Clinical Endocrinology & Metabolism” Testosterone and letrozole treatment speeds up puberty in boys with delayed development.
33 citations
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September 2017 in “Molecules” Red ginseng oil and its components help promote hair regrowth and could treat hair loss.
5 citations
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February 2003 in “American Journal of Medical Genetics Part A” A chromosomal change may cause ectodermal dysplasia and developmental issues in a child.
July 2022 in “International Journal of Contemporary Pediatrics” Two siblings with a rare type of rickets and hair loss had low vitamin D levels, which is not typical for their condition.
August 2019 in “International journal of contemporary pediatrics” A child with a rare type of rickets showed some improvement with high doses of vitamin D, but such conditions often respond poorly to treatment.
14 citations
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December 2003 in “International Journal of Cosmetic Science” Hair growth and shedding are linked and can be disrupted, causing a delay known as the hair eclipse phenomenon, which is common in certain hair conditions and could lead to new treatments.
January 2023 in “Integrative Journal of Medical Sciences” A young Saudi girl with uncontrolled type 1 diabetes and hypothyroidism had two rare conditions, Mauriac syndrome and Van Wyk–Grumbach syndrome.
58 citations
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April 1993 in “Developmental Biology” bFGF delays hair growth in mice.
23 citations
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December 2001 in “Lasers in Surgery and Medicine” Permanent hair removal is hard, but using longer laser pulses at lower power might improve results.
12 citations
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February 1986 in “PubMed” Injecting newborn mice with a niacin blocker caused skin, gut, and brain damage similar to human pellagra.
53 citations
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November 2006 in “Journal of Endocrinology” Prolactin slows down hair growth in mice.
2 citations
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April 2011 in “InTech eBooks” Non-denatured soybean extracts provide multiple anti-aging skin benefits.