150 citations,
April 1999 in “Dermatologic Clinics” Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.
145 citations,
November 2018 in “Nature Communications” The Sonic hedgehog pathway is crucial for new hair growth during mouse skin healing.
83 citations,
January 2015 in “World Journal of Stem Cells” Hair follicle regeneration needs special conditions and young cells.
73 citations,
March 2009 in “Seminars in Cutaneous Medicine and Surgery” The document concludes that accurate diagnosis of hair disorders is crucial and requires a range of diagnostic methods.
51 citations,
January 2003 in “Hormone Research in Paediatrics” Hormones and their receptors, especially androgens, play a key role in hair growth and disorders like baldness.
47 citations,
January 2013 in “International Journal of Cosmetic Science” Hair diversity is influenced by complex genetics and environmental factors, requiring more research for practical solutions.
44 citations,
April 2017 in “Genes & development” Scientists found cells in hair that are key for growth and color.
32 citations,
May 2018 in “Cell Cycle” Melatonin helps Cashmere goats grow more hair by affecting certain genes and cell pathways.
28 citations,
March 2016 in “Toxicologic pathology” Dogs could be good models for studying human hair growth and hair loss.
27 citations,
January 2010 in “Animal” South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.
23 citations,
January 2021 in “Scientific Reports” Adding human blood vessel cells to hair follicle germs may improve hair growth and quality.
23 citations,
January 2002 in “Journal of Cutaneous Medicine and Surgery” Finasteride helps hair growth by decreasing cell death in hair follicles.
21 citations,
January 2002 in “Journal of Cutaneous Medicine and Surgery” Finasteride affects hair growth by changing caspase and XIAP levels, potentially treating hair diseases.
20 citations,
February 2016 in “American Journal of Pathology” The genes OVOL1 and OVOL2 are important for hair growth and may be involved in a type of skin tumor.
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.
13 citations,
January 2016 in “Journal of cosmetology & trichology” Alternative treatments show promise for hair growth beyond traditional methods.
12 citations,
October 1954 in “Textile Research Journal” Hair absorbs alkali bromide salts and water, affecting its structure, with absorption decreasing at higher temperatures.
11 citations,
March 2001 in “Clinics in Dermatology” Hair microscopy is useful for diagnosing hair disorders, but clear definitions are needed for accurate genetic analysis.
10 citations,
January 2019 in “Biomarker Insights” Scalp cooling to prevent hair loss from chemotherapy works for some but not all, and studying hair damage markers could improve prevention and treatment.
10 citations,
November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
10 citations,
January 2014 in “Genetics and Molecular Research” Liaoning Cashmere goat hair follicles show synchronized growth patterns with lowest activity in May.
6 citations,
April 2006 in “Lupus” People with lupus and rheumatoid arthritis have thinner hair than healthy people.
5 citations,
September 2018 in “Bioscience, Biotechnology, and Biochemistry” Thiosulfate may help hair grow faster in mice and works well with a common hair growth treatment.
3 citations,
January 2018 in “International Journal of Cosmetic Science” Hair stiffness increased by 13.2% after caffeine treatment, validating the Stiffness-Angle Law as an effective measurement method.
2 citations,
March 1977 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Defective mink guard hairs have split tips and missing cuticle cells, causing a metallic sheen.
1 citations,
May 2023 in “Frontiers in medicine” Hair dyes and perms can damage hair and scalp, but using interventions can reduce harm.
September 2023 in “Asian journal of beauty & cosmetology” Lipids are important for healthy hair, but their exact role is not fully understood and needs more research.
Chrysanthemum zawadskii extract may help treat hair loss by promoting hair growth and affecting growth factors.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
November 2023 in “International journal of biology, pharmacy and allied sciences” Herbal treatments can help with hair problems, but more research is needed.