February 2025 in “Brazilian Journal of Hair Health” The Brazilian candle flame technique can damage hair by melting the cuticle and exposing the cortex.
December 2025 in “Brazilian Journal of Hair Health” The Spiral Model helps understand hair growth changes with age and identify hair problems early.
4 citations
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January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
New methods to classify curly hair types were developed based on shape and strength.
15 citations
,
December 1972 in “Journal of Investigative Dermatology” 55 citations
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November 2010 in “Development” Hair follicles in mutant mice self-organize into ordered patterns within a week.
16 citations
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July 2006 in “International Journal of Oral and Maxillofacial Surgery” The triple rotation scalp flap technique successfully reconstructed a man's scalp with natural-looking hair growth and minimal scarring.
February 2013 in “Journal of the American Academy of Dermatology” Uncombable hair syndrome causes dry, frizzy hair that can't be combed flat, seen in a young child.
1 citations
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November 2020 in “Dermatologic Surgery” Using combined hair restoration methods can effectively treat severe scalp wrinkling.
1 citations
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January 2013 in “PubMed” Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.
The curly mutation in SELH/Bc mice affects hair and may help study human genetic disorders.
May 2015 in “Journal of The American Academy of Dermatology” A woman with Parry-Romberg syndrome developed new curly hair on one side of her scalp, a condition not previously linked to the syndrome.
1 citations
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July 1935 in “Nature” Animal hair can curl tightly on its own, especially in foxes, due to changes in keratin.
2 citations
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April 2018 in “Pediatric dermatology” Elaborate princess hairstyles at a theme park caused hair loss and scalp damage in young girls.
7 citations
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May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
A wavy two-layer closure in hair transplants makes scars nearly invisible for most patients.
1 citations
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January 2025 in “Head & Neck” The snail flap technique is an easy, reliable, and hair-preserving method for scalp reconstruction, especially good for elderly or frail patients.
January 2012 in “Jounal of The Korean Society of cosmetology” Applying conditioner mid-treatment reduces hair damage during perms.
1 citations
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January 2016 in “Journal of cosmetology & trichology” Trichoscopy helped diagnose and treat a child's fungal scalp infection by spotting specific hair shapes.
January 2024 in “World Congress on Medical Physics and Biomedical Engineering, September 7 - 12, 2009, Munich, Germany” Polisorbate 20 is not suitable for curl creams due to instability.
14 citations
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September 1968 in “Archives of Dermatology” Using hot combs can cause permanent hair loss on the scalp's crown.
29 citations
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September 1989 in “Journal of The American Academy of Dermatology” Abnormal scalp whorls can indicate brain development issues but may also be seen in neurologically normal people.
January 1961 in “The Journal of Anthropological Society of Nippon” Hair form in mixed-blood families varies due to hereditary twist-knots and pigment formation.
December 2025 in “British Journal of Dermatology” 13 citations
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July 1973 in “Archives of dermatology” Tight cornrow braids may cause hair loss.
6 citations
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December 2011 in “Clinical and Experimental Dermatology” A woman developed rare, unexplained curly hair on her scalp and eyelashes.
January 2013 in “프로그램북(구 초록집)” Hair perms or treatments seem safe to use up to 3 to 4 times during pregnancy.
8 citations
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February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
March 2023 in “Asian journal of beauty & cosmetology” Keratin pretreatment improves the quality of damaged hair during perming.
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.