January 2026 in “Saudi Journal of Medical and Pharmaceutical Sciences” Gel D shows promise as a natural hair care solution for traction alopecia.
7 citations
,
January 1981 in “Springer eBooks” Certain small molecules and polymers can change hair's physical properties and how it feels by affecting the bonds within the hair.
6 citations
,
February 2013 in “Veterinary Dermatology” A young cat had a rare hair condition with twisted hair shafts but stayed healthy.
37 citations
,
November 2007 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Black hair is fragile due to hair care practices, not structural differences.
9 citations
,
September 2012 in “Journal of Cosmetic Dermatology” Hair capacitance mapping effectively measures hair surface moisture changes.
December 1978 in “Indian Journal of Otolaryngology and Head & Neck Surgery”
4 citations
,
January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
4 citations
,
December 2020 in “Journal of the American Academy of Dermatology” Pulling 2 or fewer hairs is normal for all hair types, including Afro- and Asian-textured hair.
42 citations
,
December 2018 in “International Journal of Phytocosmetics and Natural Ingredients” Olive and Brazil nut oils improve hair strength, shine, and softness better than silicone.
11 citations
,
July 2004 in “International Journal of Cosmetic Science” The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.
18 citations
,
April 2010 in “Langmuir” Human hair surface varies in wettability, showing daily and monthly patterns.
January 2014 in “Journal of the Korean Society of Design Culture” The study confirmed that changes in hair structure in women with hair loss conditions matched what is taught in beauty college trichology courses.
7 citations
,
August 2018 in “Journal of cosmetic dermatology” Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.
May 2024 in “Frontiers in medicine” A genetic mutation in the LIPH gene causes tightly curled hair that stops growing in some Japanese individuals.
17 citations
,
January 2015 in “Current problems in dermatology” Understanding and treating hair disorders in different ethnic groups requires knowledge of specific hair care practices and hair characteristics.
May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
8 citations
,
March 1990 in “Indian Journal of Dermatology Venereology and Leprology” Cutting matted hair stopped further hair loss caused by homemade shampoo.
4 citations
,
August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)” 2 citations
,
January 2007 in “Actas Dermo-Sifiliográficas” Two cases of hairy elbows syndrome were described, with normal skin texture and symmetrical hair growth.
40 citations
,
May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
October 1999 in “Inpharma weekly” November 2024 in “Journal of Functional Foods” AP collagen peptides improve hair elasticity and gloss.
27 citations
,
May 2019 in “Cosmetics” The hair cuticle is made of tough proteins that protect the hair, but more research is needed to fully understand its structure.
28 citations
,
July 2000 in “PubMed” Hair structure forms the same way inside and outside the body.
February 2024 in “Medicina” AFM can diagnose hair disorders by revealing detailed hair surface changes.
8 citations
,
February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
5 citations
,
March 1943 in “Archives of Dermatology and Syphilology” A rare case of severe scalp hair loss and nail issues in keratosis follicularis was observed.
September 2015 in “Research Portal (King's College London)” Human hair movement is affected by its inner structure and chemical treatments.
2 citations
,
March 2010 in “European journal of dermatology/EJD. European journal of dermatology” A young Caucasian girl had both woolly hair and alopecia areata, which is rare.