January 2016 in “Springer eBooks” The document concludes that there are various causes and treatments for hair loss, with hair transplantation being a notable option.
The research found that people's hair proteins vary, especially by ethnicity and body part, which could help identify individuals in forensic science.
The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
February 2009 in “Springer eBooks” Pregnancy can cause more body and scalp hair growth and make nails brittle, but these changes often revert after giving birth.
November 2002 in “Dermatologic Surgery” Scalp reduction gives the most natural result for significant crown baldness, despite potential complications, and a systematic approach to surgical hair restoration results in few complications and high graft survival.
September 2002 in “Dermatologic Surgery” The evaluation system improves patient selection for hair loss surgery, leading to fewer but more successful surgeries.
June 2023 in “Frontiers in Genetics” Genes related to calcium signaling and lipid metabolism are important for curly hair in Mangalitza pigs.
19 citations
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January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
January 2022 in “Surgical & Cosmetic Dermatology” Isotretinoin can rarely cause hair to grow curly.
58 citations
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June 2018 in “Scientific reports” Researchers found 15 new genetic links to skin traits in Japanese women.
9 citations
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September 2014 in “British journal of dermatology/British journal of dermatology, Supplement” Pseudofolliculitis cutis causes painful skin bumps and needs proper shaving and treatments to manage.
1 citations
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March 2023 in “Journal of Natural Fibers” A gentler, less damaging method for curling hair using tyrosine works well initially but fades after washing.
3 citations
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October 2020 in “Dermatology Practical & Conceptual” Bubble hair damage is caused by high heat from styling tools, and trichoscopy helps diagnose it.
2 citations
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January 1987 in “PubMed” Woolly hair syndrome is a genetic condition causing frizzy, fragile hair.
22 citations
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January 1985 Water makes hair more flexible, especially the outer layer.
161 citations
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July 2003 in “ACM Transactions on Graphics” Researchers developed a new model for more realistic computer graphics rendering of hair by considering how light scatters on hair fibers.
Researchers developed a new model for more realistic computer graphics of hair by considering how light scatters on hair fibers.
39 citations
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April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
2 citations
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May 2002 in “Clinics in Dermatology” Ethnic differences in hair and skin are significant and under-researched, requiring tailored dermatologic treatments and more study.
November 2025 in “Open Repository of the University of Porto (University of Porto)” Minoxidil and spironolactone can improve hair growth, but responses vary and side effects are common.
Hair feels different when touched and rubs together in various ways.
March 2023 in “International Journal of Dermatology” COVID-19 can cause hair to become progressively kinked.
July 2024 in “Journal Archives of Health” Woolly hair is a rare genetic condition with no effective treatments.
27 citations
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March 2018 in “Journal of Experimental Biology” Wool fibre curvature is due to longer orthocortical cells compared to paracortical cells.
16 citations
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January 1977 16 citations
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October 1992 in “Journal of cutaneous pathology” Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
January 2025 in “Open University of Cape Town (University of Cape Town)” Lipids play a key role in determining hair curvature.
15 citations
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January 1998 Frequent blow-drying causes cracks and breakage in hair cuticles.
18 citations
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January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.