April 2017 in “Journal of Investigative Dermatology” Certain mutations in the KLHL24 gene cause a skin disorder by breaking down an important skin protein.
February 2010 in “Journal of The American Academy of Dermatology” A woman's nail separation was likely caused by poor blood flow, and a treatment for similar conditions might help.
May 2015 in “Journal of Investigative Dermatology” Melanoma risk tools need improvement, a gene mutation causes a hair disorder that might be treated by managing cell stress, a potential therapy for a skin-ear disorder involves blocking cell channels, skin wrinkling may indicate lung aging regardless of smoking, and oxidative stress might contribute to common baldness.
53 citations
,
September 2004 in “American journal of medical genetics. Part C, Seminars in medical genetics” Mutations in keratin genes cause cell fragility and various skin disorders.
April 2017 in “Journal of Investigative Dermatology” Removing the Crif1 gene in mouse skin disrupts skin balance and hair growth.
34 citations
,
October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
Skin ages and changes due to sun, wind, and aging, causing dryness, thinning, and hair loss.
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.
39 citations
,
November 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Fatp4 is crucial for healthy skin development and function.
1 citations
,
January 2006 High temperatures and cosmetic processes can damage hair keratin, affecting its structure and strength.
4 citations
,
April 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” Krt16-deficient mice help understand skin disorders like PC and FNEPPK.
April 2018 in “Journal of Investigative Dermatology” The keratin network in mouse skin changes during cornification and affects the skin's protective barrier.
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.
A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
11 citations
,
January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
32 citations
,
April 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Loss of keratin K2 causes skin problems and inflammation.
17 citations
,
September 2005 in “International Journal of Dermatology” African hair is more fragile due to its unique shape and internal structure.
26 citations
,
January 1993 in “Dermatology” A rare case of isolated trichothiodystrophy was identified, marked by brittle hair with low sulfur content.
Thicker hair resists fungal damage better, and hair color doesn't affect susceptibility.
1 citations
,
October 2009 in “International Journal of Cosmetic Science” A new keratin treatment can strengthen and protect aging hair.
45 citations
,
April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
July 2024 in “Journal of Investigative Dermatology” Linalool in fragrances may harm hair follicles and contribute to hair loss.
24 citations
,
January 2009 in “International Journal of Trichology” Sunlight exposure ages hair, making it brittle, stiff, and dry.
July 2020 in “Experimental Dermatology” Aging causes hair thinning in women due to changes in the scalp environment.
January 2023 in “Clinical and Experimental Dermatology” Oral minoxidil may help improve fragile hair.
January 2011 in “Yearbook of Dermatology and Dermatologic Surgery” 4 citations
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May 2020 in “The journal of pediatrics/The Journal of pediatrics” A boy with monilethrix has brittle hair that breaks easily due to a genetic condition, which might improve by puberty.
May 2017 in “Journal of the American Academy of Dermatology” Monilethrix is a rare, inherited condition causing fragile hair and hair loss, with no cure but some treatments may help.
52 citations
,
February 2012 in “PloS one” Lack of Ctip2 in skin cells delays wound healing and disrupts hair follicle stem cell markers in mice.
8 citations
,
August 1993 in “Colloid & Polymer Science” The observed "toughening" in keratin was actually due to water evaporation, not a real change in keratin.