13 citations
,
January 1993 in “Archives of dermatological research” Human hair follicles can grow and stay healthy for up to 8 days in a lab setting.
8 citations
,
January 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Growth hormone is important for regulating human hair growth.
2 citations
,
April 2022 in “Biomedicines” Low-frequency electromagnetic fields may help hair growth by affecting certain growth-related molecules.
May 2024 in “Ultramicroscopy” Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.
February 2017 in “International Journal on Advanced Science, Engineering and Information Technology” Human hair follicle stem cells can grow and turn into skin cells on chitosan templates, which may help in regenerative medicine.
September 2018 in “University of the Arts London Research Online (University of the Arts London)” L-arginine, hydrolysed keratin, and cystine-silanol copolymer can help protect hair from damage during and after bleaching.
51 citations
,
January 2004 in “European Journal of Cell Biology” Human cathepsin V can replace mouse cathepsin L to maintain normal skin and hair in mice.
19 citations
,
June 2008 in “Journal of Investigative Dermatology” HPV genes in mice improve ear tissue healing by speeding up skin growth and repair.
1 citations
,
September 2022 in “River Publishers eBooks” The document concludes that hair keratin-chitosan scaffolds were successfully made and are suitable for biomedical use.
205 citations
,
March 2012 in “Science Translational Medicine” PGD2 stops hair growth and is higher in bald men with AGA.
65 citations
,
September 2014 in “BMC genomics” Different hair types in mammals are linked to variations in specific protein genes, with changes influenced by their living environments.
60 citations
,
December 2003 in “Journal of Investigative Dermatology” K6hf is found in specific parts of hair follicles, nails, and tongue, and is linked to hair growth and structure.
53 citations
,
July 2016 in “Cosmetics” Future hair cosmetics will be safer and more effective.
42 citations
,
January 2014 in “BMC Genomics” Cetaceans lost hair genes to adapt to water.
41 citations
,
November 2011 in “The Journal of Dermatology” Some hair loss disorders are caused by genetic mutations affecting hair growth.
36 citations
,
November 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
7 citations
,
September 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
September 2023 in “Journal of microbiology and biotechnology” A type of collagen helps hair grow by boosting cell growth and activating a specific hair growth pathway.
Hair germ cells differ from epidermal cells in keratin expression, and specific keratins form after hair differentiation.
78 citations
,
May 2012 in “Journal of Investigative Dermatology” A specific gene mutation causes woolly hair and hair loss.
19 citations
,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
3 citations
,
November 2022 in “Frontiers in Medicine” Onychopapilloma likely originates from the nail bed, not the nail matrix.
October 2022 in “International Journal of Molecular Sciences” Fish collagen peptides can significantly promote hair growth.
39 citations
,
March 2022 in “Nature Protocols” Scientists created hair-growing skin models from stem cells, which could help treat hair loss and skin diseases.
33 citations
,
September 2018 in “Frontiers in Microbiology” Human hair shafts inhibit Gram-positive bacteria growth but not Gram-negative bacteria.
20 citations
,
August 2017 in “PLoS ONE” 61 functional keratin genes were identified in dogs and horses, leading to updated gene annotations.
7 citations
,
January 1990
January 2024 in “Biomaterials Research” 3D-cultured cells in HGC-coated environments improve hair growth and skin integration.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
75 citations
,
October 1999 in “Differentiation” Mouse keratin 6 isoforms have different expression patterns in various tissues.