February 2022 in “Fibers” Scientists created a non-toxic, sugar-based hair product that can style hair without damage.
Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
April 2017 in “Journal of dermatological science” Researchers created a cell model to study hair growth and test hair-growth drugs.
51 citations
,
September 2012 in “Biomacromolecules” Disulfide bonds make keratin in hair stronger and tougher.
152 citations
,
December 2003 in “Micron” As people age, their hair follicles produce less pigment, leading to gray and white hair, due to factors like reduced enzyme activity and damage to melanocyte DNA.
68 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” HOXC13 is essential for hair and nail development by regulating Foxn1.
56 citations
,
January 1996 in “Journal of Forensic Sciences” Dye enters hair at the edges of cuticle cells and penetrates more from water than alcohol-based solutions.
37 citations
,
October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
5 citations
,
January 2024 in “Science Advances” Touch dome keratinocytes in adult skin have traits of different skin cell types.
5 citations
,
February 2019 in “PloS one” Bald thigh syndrome in sighthounds is caused by structural defects in hair shafts due to downregulated genes and proteins.
October 2024 in “BMC Genomics” Understanding hair follicle development can help improve cashmere quality.
June 2023 in “Historical records of Australian science/Historical Records of Australian Science” George Ernest Rogers was a notable scientist who made important discoveries about hair and wool proteins.
The document concludes that understanding hair's composition and the effects of treatments can lead to better hair care products.
September 2025 in “BULLETIN OF STOMATOLOGY AND MAXILLOFACIAL SURGERY” Better supportive care is needed to manage chemotherapy side effects.
40 citations
,
September 2010 in “Journal of Biological Chemistry” Keratin K80 is an ancient protein found in various tissues, important for cell structure and tissue differentiation.
40 citations
,
September 2004 in “Biomacromolecules” The Glu413Lys mutation in keratin affects hair stability, while Glu413Asp does not.
25 citations
,
March 2013 in “British Journal of Dermatology” Woman has discoid lupus, frontal fibrosing, and androgenetic alopecia.
69 citations
,
August 1999 in “Developmental biology” The nude gene causes skin cell overgrowth and improper development, leading to hair and urinary issues.
35 citations
,
April 2008 in “Journal of Biological Chemistry” Hirosaki hairless rats lack hair due to missing DNA with key keratin genes.
7 citations
,
November 1987 in “Pharmacotherapy: The Journal of Human Pharmacology and Drug Therapy” Minoxidil can help thicken hair in some people with male pattern baldness, especially if used early and continuously.
2 citations
,
September 2017 in “Biotechniques/BioTechniques” Researchers created a mouse cell line to study hair growth and test hair growth drugs.
1 citations
,
December 2021 in “Kathmandu University medical journal” Adult earlobe can have a benign cyst that is usually removed by surgery.
1 citations
,
January 2015 in “Journal of nutrition & health” Fish oil improves skin health in people with diabetes and high cholesterol.
November 2024 in “Journal of Functional Foods” AP collagen peptides improve hair elasticity and gloss.
May 2024 in “Proteome science” Bleaching damages hair by reducing the quality of keratin and keratin-associated proteins.
Human hair can almost fully recover its structure within about 1,000 minutes after being stretched.
132 citations
,
August 2008 in “Development” Dlx3 is essential for hair growth and regeneration.
4 citations
,
January 2019 in “Micron” Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.
788 citations
,
February 2007 in “Nature” The document concludes that skin stem cells are important for hair growth and wound healing, and could be used in regenerative medicine.
185 citations
,
June 2011 in “Molecular and cellular endocrinology” Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.