84 citations
,
April 2015 in “Cosmetics” Hair dyes vary in how long they last and how deeply they penetrate hair.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
68 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” HOXC13 is essential for hair and nail development by regulating Foxn1.
25 citations
,
November 2012 in “Thermochimica Acta” Internal lipids in keratin fibers, like wool and hair, reduce water absorption and release.
4 citations
,
July 2020 in “Journal of proteomics” Hair protein composition is similar across different races and shapes.
May 2024 in “Proteome science” Bleaching damages hair by reducing the quality of keratin and keratin-associated proteins.
Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.
January 2026 in “Indian Journal of Ophthalmology - Case Reports” Trichilemmal cysts can appear on children's eyelids and may be mistaken for other conditions.
189 citations
,
July 2009 in “The Journal of clinical investigation/The journal of clinical investigation” Epidermolysis bullosa simplex causes easily blistered skin due to faulty skin cell proteins, leading to new treatment ideas.
148 citations
,
September 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Alopecia areata is an autoimmune disorder causing hair loss, linked to specific hair follicle antigens and genetic factors.
122 citations
,
January 2006 in “Molecular & Cellular Proteomics” Human hair contains many proteins, with some being highly abundant and modified.
47 citations
,
September 2011 in “Acta biomaterialia” Protein composition greatly affects the function of keratin biomaterials.
11 citations
,
March 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” A gene mutation causes early keratinocyte maturation leading to hair loss in Olmsted syndrome.
19 citations
,
December 2006 in “Archives of dermatology” Hair casts and cutaneous spicules can be signs of multiple myeloma.
35 citations
,
September 2004 in “American Journal of Dermatopathology” A rare nail bed cancer was successfully treated with no recurrence after 4 years.
February 2026 in “Optics” Stretching wool changes its structure and improves fiber alignment.
13 citations
,
October 2021 in “Anais Brasileiros de Dermatologia” Dermoscopy is effective for diagnosing various skin infestations and infections.
20 citations
,
July 1988 in “Clinics in dermatology” Thioglycolate lotions are the most popular method for permanent waving and hair straightening.
3 citations
,
March 2012 in “Actas Dermo-Sifiliográficas” An elderly man with skin amyloidosis and abnormal blood proteins was monitored without finding widespread disease after 18 months.
90 citations
,
January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
86 citations
,
October 2005 in “Experimental Dermatology” The Foxn1 gene mutation causes hairlessness and immune system issues, and understanding it could lead to hair growth disorder treatments.
12 citations
,
January 2007 in “Current problems in dermatology” Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.
11 citations
,
January 2004 in “Exogenous dermatology” Outside factors like grooming, chemicals, and the environment can damage hair and cause disorders.
10 citations
,
September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
1 citations
,
December 2018 in “IntechOpen eBooks” Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.
New methods to classify curly hair types were developed based on shape and strength.
September 2025 in “Journal of Ayurveda and Integrated Medical Sciences” Surgery and Ayurvedic treatments together effectively healed a scalp cyst without relapse.
45 citations
,
December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
25 citations
,
May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.
13 citations
,
January 2007 in “International journal of pharmaceutics” Papain cream removes hair better than papain gel, causing hair follicles to widen and skin to thicken.