45 citations
,
April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
2 citations
,
January 2023 in “Frontiers in Veterinary Science” Buffalo flies and Stephanofilaria nematodes cause severe skin lesions in beef cattle, and treatment should target both.
43 citations
,
July 1994 in “Journal of Cell Science” Cross-linked proteins help maintain the structure of hair, feathers, and hagfish teeth.
April 2023 in “CRC Press eBooks” Hair care products mainly work on the hair's surface and need professional guidance for use.
July 2023 in “Cosmoderma” Prussian Blue causes hair cuticles to detach, weakening the hair.
4 citations
,
January 2009 in “Veterinary Dermatology” Cats exposed to diesel oil can lose hair but recover fully without treatment.
January 2008 in “대한미용학회지” UV exposure severely damages hair, making it rough and weak.
August 1985 in “Proceedings ... annual meeting, Electron Microscopy Society of America/Proceedings, annual meeting, Electron Microscopy Society of America” Hair dye can damage dog hair and cause health issues.
375 citations
,
June 2013 in “Biochimica et biophysica acta. Molecular cell research” Cornification is how skin cells die to form the protective outer layer of skin, hair, and nails.
15 citations
,
August 2015 in “Scanning” Corkscrew and cigarette-ash-shaped hairs in tinea capitis are caused by internal hair degradation and external resistance.
4 citations
,
November 2016 in “The Journal of Dermatology” Pili torti hair is fragile due to loose keratin filaments and weak disulfide bonds.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found that a key immune pathway protecting hair follicles is reduced in a mouse model of scarring hair loss.
1 citations
,
March 2019 in “Hygiene and Sanitation” Heavy metals can damage skin and hair in mice.
1 citations
,
November 2017 in “Skin appendage disorders” Ingrown hairs are a common feature in scarring alopecias due to follicular damage.
16 citations
,
April 2012 in “Journal of mammalogy” Young female Australian fur seals are losing hair due to low tyrosine and zinc levels and high pollution exposure.
4 citations
,
January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Linalool in personal care products may contribute to hair loss by damaging hair follicle stem cells and triggering harmful immune responses.
Hair follicle stem cells are crucial for touch sensation and proper nerve structure in mice.
April 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” HSD11b1 affects skin nerves and increases non-histaminergic itch.
9 citations
,
February 1984 in “Zentralblatt für Veterinärmedizin Reihe A” Biotin is essential for healthy skin and claws in pigs.
97 citations
,
March 2002 in “Molecular and cellular biology” Mutant CDP/Cux protein causes hair defects and reduced male fertility in mice.
39 citations
,
January 1979 in “Journal of the Society of Cosmetic Scientists of Korea” Surfactants can protect or harm hair, skin, and nails, depending on their type and use.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
1 citations
,
September 2024 in “Veterinary Dermatology” Trichography is important for diagnosing hair fragility in Pomeranian dogs with hair cycle issues.
149 citations
,
July 2000 in “Molecular and Cellular Biology” Keratin 6a is important for quick wound healing from hair follicles.
18 citations
,
March 2009 in “Skin pharmacology and physiology” Sunlight damages hair, causing cuticle loss, protein changes, and discoloration.
12 citations
,
January 1987 in “Carcinogenesis” TCDD changes skin cell growth and keratin production in mice.
66 citations
,
October 2002 in “Human molecular genetics online/Human molecular genetics” A gene mutation in mice causes skin defects and early death.
37 citations
,
April 1977 in “Journal of Cutaneous Pathology” Skin biopsy can help diagnose hair loss from trichotillomania.