July 2021 in “British Journal of Dermatology” Low testosterone levels may contribute to female pattern hair loss in men.
22 citations
,
October 2004 in “Journal of Investigative Dermatology” The gene causing hair loss and heart issues in rough coat mice is still unknown.
January 2024 in “Revista del Centro Dermatológico Pascua” Avoiding damage and using specific shampoo and supplements improved the hair condition.
July 2025 in “ALEXMED ePosters”
4 citations
,
January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
January 2008 in “대한미용학회지” UV exposure severely damages hair, making it rough and weak.
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.
January 2026 in “Journal of Cosmetic Dermatology” Microneedling can weaken hair in some AGA patients.
June 2024 in “Annals of Medicine and Surgery” A 23-year-old Syrian woman has two rare hair disorders, and avoiding hair treatments plus using vitamins and minoxidil may help.
3 citations
,
January 2002 in “Actas Dermo-Sifiliográficas” Excessive minoxidil use can damage hair structure.
33 citations
,
December 1982 in “Developmental Medicine & Child Neurology” Hair-shaft abnormalities can indicate neurological disorders, some of which are treatable.
September 2025 in “Cosmetics” NMN supplements may improve hair quality and appearance in middle-aged women.
117 citations
,
August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
March 1997 in “Medical Molecular Morphology” Zinc deficiency causes early scalp hair damage that recovers slower than skin symptoms.
September 2009 in “Medical and surgical dermatology/Medical & surgical dermatology”
9 citations
,
October 2014 in “Experimental and Clinical Endocrinology & Diabetes” Knuckle Acanthosis Nigricans is common in Latin American youth and may indicate early insulin resistance, especially in those with normal weight.
7 citations
,
January 1998 in “PubMed” Hair loss can cause scalp discomfort.
13 citations
,
February 1980 in “Journal of Cutaneous Pathology” Rubbing seborrheic keratoses causes specific skin changes and may link them to hair follicles.
1 citations
,
July 2015 in “Microscopy Research and Technique” Friedreich's ataxia causes thin, weak hair with surface damage and cavities.
January 2017 in “프로그램북(구 초록집)” Iron deficiency anemia can cause hair breakage.
A 5-year-old girl has sparse, dry, and brittle hair but is otherwise healthy.
September 2024 in “Skin Research and Technology” AFM can help diagnose lichen planopilaris by identifying specific hair structure changes.
February 2005 in “Journal of The American Academy of Dermatology” Metabolic syndrome can cause serious health issues and should be considered when treating women with severe acne.
February 2005 in “Journal of The American Academy of Dermatology” Recognizing new allergens can help reduce contact dermatitis cases.
8 citations
,
January 2017 in “Indian dermatology online journal” Traumatic anserine folliculosis is a skin condition caused by friction, treatable with topical cream and avoiding trauma.
33 citations
,
December 2021 in “PLoS ONE” It's unclear which molecules best characterize dry skin due to inconsistent findings.
28 citations
,
July 1980 in “British Journal of Dermatology” The hair disorder was caused by abnormal protein formation, making hair easily damaged.
April 2023 in “Asia-pacific Journal of Convergent Research Interchange” Hair manicure improves the strength and condition of bleached hair.
4 citations
,
November 2012 in “Dermatitis” A man got severe skin irritation after using marking nut sap for hair loss.
3 citations
,
July 2004 in “SKINmed/Skinmed” A 4-year-old girl was diagnosed with erythrokeratodermia variabilis after other treatments failed.