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April 2011 in “Journal of Ethnopharmacology” Polygonum multiflorum extract helps grow hair by activating certain hair growth signals in mice.
January 2000 in “Europe PMC (PubMed Central)” 24 citations
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November 1997 in “Journal of Biological Chemistry” Mouse high-glycine/tyrosine proteins have distinct patterns in hair follicles, peaking at specific hair cycle days.
January 2010 in “Chinese journal of clinical anatomy” Hair follicles in C57BL/6 mice develop rapidly from late embryonic stages to shortly after birth, with key growth and regeneration phases identified.
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March 2022 in “Frontiers in Genetics” The research found specific genes that may cause longer hair in Tianzhu White Yak.
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October 2004 in “Differentiation” A gene deletion causes the "hairless" trait in Iffa Credo rats.
10 citations
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January 2016 in “PLOS ONE” Researchers found 44 proteins that change during different hair growth stages and may be important for hair follicle function.
1 citations
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May 2003 in “Archives of Pathology & Laboratory Medicine” The boy had trichotillomania, causing hair loss, and treatment focused on habit reversal and support.
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October 2024 in “Developmental Cell” Genetic factors might cause fibrosing alopecia linked to hair shaft abnormalities.
Dark hair with a red beard likely evolved for camouflage, not attraction.
165 citations
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September 2001 in “Genes & development” CDP is crucial for lung and hair follicle cell development.
April 2016 in “British Journal of Dermatology” Eyelashes are important for looks and eye protection, and more people are treating sparse eyelashes; more research is needed to understand eyelash biology and improve treatments.
5 citations
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January 2022 in “PloS one” Deleting the p63 gene in certain cells causes problems in thymus development and severe hair loss in mice.
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December 1994 in “Journal of Endocrinology/Journal of endocrinology” Prolactin speeds up hair growth and moulting in cashmere goats.
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September 2019 in “British Journal of Dermatology” FOL-005 peptide can reduce human hair growth by lowering FGF7 levels.
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July 1994 in “Journal of Investigative Dermatology”
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June 1989 in “Diseases of the Colon & Rectum” Some patients temporarily lost hair after a certain bowel surgery, but it grew back without needing special treatment.
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January 2014 in “Annals of Dermatology” Dermoscopic examination helps diagnose different types of hair loss conditions by showing specific patterns.
97 citations
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March 2002 in “Molecular and cellular biology” Mutant CDP/Cux protein causes hair defects and reduced male fertility in mice.
124 citations
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April 2000 in “Nature biotechnology” January 2022 in “SSRN Electronic Journal” Mouse hair follicles age, causing more white hairs due to fewer pigment stem cells.
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June 2023 in “BMC genomics” A specific gene mutation causes long hair in Angora rabbits.
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February 2018 in “Journal of Investigative Dermatology” The document concludes that a protein involved in hair growth may link to baldness and that more research is needed on its role in hair loss and skin cancer treatments.
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August 2014 in “Veterinary Dermatology” Sphynx cats have abnormal hair follicles and keratinization affecting their skin.
30 citations
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January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.
August 2004 in “Veterinary Dermatology” The red panda's hair loss was caused by an endocrine issue linked to ovarian tumors.
15 citations
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July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
4 citations
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January 2011 Fermented Pleuropterus cilinervis extracts promote hair growth better than Minoxidil.