A young athlete's fragile hair condition improved by cutting hair and using gentle shampoo.
Trichorrhexis nodosa causes hair to break easily, often affecting young to middle-aged black women.
December 2019 in “C&EN Global Enterprise” Thicker hair isn't always stronger.
23 citations
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April 2021 in “International Journal of Dermatology” COVID-19 may trigger systemic lupus erythematosus, requiring careful diagnosis and treatment.
February 2026 in “Psychoneuroendocrinology” Lower family income is linked to more stress in parents and more behavior problems in children.
71 citations
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May 2006 in “The journal of investigative dermatology/Journal of investigative dermatology” TTD hair brittleness is caused by multiple structural abnormalities.
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.
March 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” Spiny mice have a unique skin structure that helps them heal and regenerate quickly.
January 2025 in “SSRN Electronic Journal” 45 citations
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February 2002 in “International Journal of Cosmetic Science” Ceramide helps protect African–American hair from breakage.
September 2021 in “CRC Press eBooks” Traumatic alopecia causes hair loss from pulling or rubbing, leading to broken hairs and changes in the scalp.
5 citations
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January 2020 in “Skin Appendage Disorders” The nail strengthener with Pistacia lentiscus and hyaluronic acid improves brittle nails' appearance and strength.
13 citations
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May 2001 in “Current problems in dermatology” Keratin proteins in epithelial cells are dynamic and crucial for cell processes and disease understanding.
6 citations
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April 2001 in “The Anatomical Record” A new method using hair pores can help align skin grafts better, improving results.
June 2025 in “International Journal of Cosmetic Science” Keratin-encapsulated liposomes effectively repair and protect UV-damaged hair.
March 2025 in “International Journal For Multidisciplinary Research” Computational techniques can improve drug development for treating certain conditions.
March 2025 in “International Journal of Trichology” Vigorous rubbing of herbal powder on the scalp caused hair damage and loss.
April 2024 in “Cosmetics” Different oils affect hair flexibility and strength, with their impact varying on whether hair is virgin or bleached.
January 2024 in “Authorea (Authorea)” Using laccase to add poly(tyrosine) to wool makes it less likely to shrink and stronger.
September 2021 in “Zenodo (CERN European Organization for Nuclear Research)” Chemotherapy side effects might help treat autoimmune hair loss.
3 citations
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August 2011 in “PubMed” Coconut oil protects hair from damage better than regular grooming practices.
26 citations
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February 1991 in “PubMed” Trichotillomania can be identified by a "Friar Tuck sign" and nail-biting.
5 citations
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March 2001 in “Journal of biomechanics” Growing hairs are easier to pull out than resting hairs due to different anchorage strengths.
19 citations
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July 2004 in “Australasian Journal of Dermatology” Her hair grew back normally after she stopped rubbing it.
September 2024 in “Cureus” Community support and mindset changes helped a woman stop hair-pulling for 9 months.
5 citations
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October 2003 in “PubMed” Hormonal therapy is essential in late-diagnosed Kallmann's syndrome to prevent bone issues.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
Oxidized hair can naturally regain strength and stability over six months.
8 citations
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July 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Curly hair is mechanically different from straight hair and may need new testing methods.