17 citations
,
February 2011 in “International Journal of Cosmetic Science” Grey hair is wilder, drier, and less manageable than pigmented hair.
January 2020 in “Turk Dermatoloji Dergisi” Men with baldness, ear creases, and hairy ears have a higher risk of heart disease.
9 citations
,
June 2000 in “Journal of The American Academy of Dermatology” Mutation in hairless gene may increase hair loss risk.
As people age, certain enzymes in scalp glands decrease, affecting hair health.
17 citations
,
January 1991 in “Acta Dermato Venereologica” A family had a genetic condition causing hair loss on the scalp, passed down through four generations.
22 citations
,
May 2002 in “Skin Research and Technology” CE-PTG detects early hair follicle issues in balding areas, helping measure male hair loss.
April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” GRK2 is essential for healthy hair follicle function, and its absence can lead to hair loss and cysts.
December 2007 in “FJ. Fragrance journal”
January 2016 in “Korean Journal of Pharmacognosy” Grateloupia elliptica, a type of marine algae, may promote hair growth by activating a specific cell growth pathway.
April 2014 in “The FASEB Journal” Geranium Sibiricum L extract may promote hair growth by increasing growth factors and decreasing inhibitory factors under stress.
5 citations
,
January 2017 in “Arquivos Brasileiros de Oftalmologia” A rare genetic disorder causes sparse hair and vision loss due to a CDH3 gene mutation.
1 citations
,
January 1985 in “Protides of the biological fluids” Injecting monocyto-angiotropin into hare skin increases hair growth by forming new blood vessels.
17 citations
,
November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
58 citations
,
June 1987 in “Archives of Dermatological Research” EGF and FGF boost hair cell growth, hydrocortisone slows it, and minoxidil doesn't affect it.
July 2025 in “Journal of Investigative Dermatology” Hhip-Cre effectively targets dermal papilla cells for gene manipulation in hair biology.
3 citations
,
October 2018 in “International Journal of Green Pharmacy” The herbal shampoo with Piper betle and Psidium guajava leaves extract promotes hair growth and improves hair health.
The method effectively measures hair elasticity and could be useful in forensics.
2 citations
,
June 2000 in “Journal of The American Academy of Dermatology” Mutation in hairless gene may increase hair loss risk.
November 2006 in “Hair transplant forum international” September 2017 in “BAUST Journal” October 2017 in “International Supply Chain Technology Journal” Hair care involves both promoting growth and preventing loss.
2 citations
,
January 2000 in “Elsevier eBooks” The document explains how hair is studied in forensics to identify its source and its role in criminal investigations.
November 2024 in “Journal of Microscopy” Human hair varies in structure based on curl type, with high curl hair showing the most differences.
May 2025 in “Journal of International Medical Research” Micrografting may improve healing and hair growth, but more research is needed.
15 citations
,
May 2013 in “American Journal of Medical Genetics - Part A” People with X-linked hypohidrotic ectodermal dysplasia have no sweat ducts and less, thinner hair.
1 citations
,
September 2019 in “Journal of Investigative Dermatology” Human hair matrix cells and dermal papilla fibroblasts can form early hair follicle structures but don't produce hair shafts yet.
May 2024 in “Journal of cosmetic dermatology” Heat-treated Limosilactobacillus fermentum with menthol, salicylic acid, and panthenol promotes hair growth and balances scalp microbiome in people with androgenetic alopecia.
February 2022 in “Research Square (Research Square)” LGR5 is a marker found in hair follicle stem cells in various species and is important for hair growth and skin repair.
September 2009 in “Hair transplant forum international” Genetic testing can help understand male pattern baldness.
10 citations
,
January 1980 in “Ultrastructural pathology” Green hair has high copper levels due to contaminated water and damaged hair cuticles.