12 citations
,
November 1987 in “Pediatric dermatology” Four children had unmanageable pale blond hair due to uncombable-hair syndrome.
February 2025 in “International Journal of Cosmetic Science” A new amino acid derivative, ATS, improves hair texture and moisture, making it easier to straighten curly hair.
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.
5 citations
,
June 2019 in “British Journal of Dermatology” Chemical hair straightening may be linked to a type of permanent hair loss.
14 citations
,
November 1979 in “Pediatric Research” 26 citations
,
September 2005 in “International Journal of Dermatology” Hair shape is determined by genetic, molecular, and cellular factors.
5 citations
,
September 2017 in “Colloids and surfaces. B, Biointerfaces” Tying a knot can measure hair friction, useful for medical applications.
49 citations
,
April 2007 in “Pediatric Dermatology” Biotin improved hair appearance in uncombable hair syndrome but didn't change hair structure.
12 citations
,
January 1934 in “Proceedings of the Royal Society of London Series B Containing Papers of a Biological Character” Stretched hair has a similar structure to natural silk, showing hair's elasticity involves reversible changes within its molecules.
17 citations
,
September 2005 in “International Journal of Dermatology” African hair is more fragile due to its unique shape and internal structure.
10 citations
,
January 2002 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” The cuticle significantly contributes to hair stiffness, making up about 60% of the total bending stress.
The herbal hair conditioner with custard apple and curry leaves improves hair smoothness and manageability.
8 citations
,
May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
13 citations
,
June 2014 in “Experimental Mechanics” A six-year-old girl with extra hair on her elbows was treated with hair removal methods.
150 citations
,
July 2001 in “Clinics in dermatology” Proper haircare and communication with doctors are key to managing hair loss and avoiding damage.
1 citations
,
May 1983 in “Acta dermato-venereologica” The hairpiece matted due to weathered hair after shampooing.
55 citations
,
February 2014 in “Journal of Structural Biology” Human hair has a complex, variable structure with a consistent matrix and double-twist pattern.
4 citations
,
March 2021 in “Journal of Surfactants and Detergents” Shampoo B, which uses water-soluble silicone, is better at detangling hair in wet conditions due to its two-layer conditioning film.
56 citations
,
June 2010 in “Clinical and experimental dermatology” Coudability hairs are useful markers for alopecia areata activity.
13 citations
,
July 1973 in “Archives of dermatology” Tight cornrow braids may cause hair loss.
December 2025 in “British Journal of Dermatology” 2 citations
,
March 2024 in “Pediatric Dermatology” Two siblings have a rare hair condition caused by a new genetic variant.
17 citations
,
July 1977 in “International Journal of Dermatology” Proper shaving techniques and specific topical treatments can help manage pseudofolliculitis barbae.
January 2013 in “Wool textile journal” 9 citations
,
July 2014 in “Skin research and technology” Stretching damages Caucasian hair's structure more easily than Asian hair.
25 citations
,
May 2008 in “Journal of cosmetic dermatology” Conditioning agents, especially jojoba oil and lauryl PEG/PPG-18/18 methicone, protect and strengthen chemically straightened Afro-ethnic hair.
95 citations
,
January 2007 in “Human biology” Human hair can be classified into eight types based on physical features, not ethnicity.
January 2021 in “Nasza Dermatologia Online” Plica polonica is a rare condition where hair becomes irreversibly tangled, and the treatment is to cut the matted hair.
2 citations
,
June 2022 in “Revista de la Asociación Colombiana de Dermatología y Cirugía Dermatológica” Understanding cultural hair care practices is essential for improving hair health in the African American population.