December 2025 in “Russian Journal of Skin and Venereal Diseases” Thinner hair follicle structures are linked to non-scar alopecia.
2 citations
,
July 2019 in “Cosmetics” Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Not having enough cystatin M/E protein causes less hair growth and dry skin.
6 citations
,
January 2016 in “International journal of trichology” Children's hair is more elastic, but tensile strength is similar across different factors.
2 citations
,
January 2007 in “Actas Dermo-Sifiliográficas” Two cases of hairy elbows syndrome were described, with normal skin texture and symmetrical hair growth.
1 citations
,
January 2019 in “International Journal of Medical Reviews and Case Reports” Treatment with moisturizers improved the skin condition of a girl with a rare genetic skin disorder.
April 2026 in “International Journal of Molecular Sciences” Wnt signaling is crucial for skin, hair, and nail health and regeneration.
April 2025 in “Dermatology Practical & Conceptual” UV-enhanced trichoscopy helps diagnose hair shaft disorders like pili annulati.
1 citations
,
March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
7 citations
,
January 2017 in “Sub-cellular biochemistry/Subcellular biochemistry” 14 citations
,
May 2017 in “Journal of Investigative Dermatology” A rare gene mutation causes skin fragility and itching without affecting hair or nails.
20 citations
,
August 2014 in “PloS one” MED1 affects skin wound healing differently in young and old mice.
37 citations
,
February 2005 in “Journal of Investigative Dermatology” Overexpression of SSAT causes hair loss and skin issues, but reducing putrescine can help.
8 citations
,
July 2020 in “Clinical, cosmetic and investigational dermatology” Excessive sun protection might cause frontal fibrosing alopecia by disrupting skin immune balance.
A rare genetic mutation causes severe immune issues, hair loss, and nail problems.
August 2019 in “Journal of the American Academy of Dermatology” Older adults may experience painful finger pitting due to nerve changes in aging skin, and treatments can help reduce symptoms.
11 citations
,
July 2022 in “International Journal of Molecular Sciences” Tight junctions help control skin shedding and may be targets for treating certain skin conditions.
September 2024 in “Cureus” A 10-year-old boy's nail condition is mainly cosmetic and improves over time with treatment.
Trichorrhexis nodosa causes hair to break easily, often affecting young to middle-aged black women.
March 2026 in “The Journal of Steroid Biochemistry and Molecular Biology” Deleting vitamin D and calcium receptors in skin cells increases skin cancer risk by reducing DNA repair and stress response.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” EGFR deficiency causes significant changes in skin cells and hair follicles.
8 citations
,
January 2008 in “Pediatric dermatology” Hair gels may cause split ends in children.
27 citations
,
October 2002 in “International Journal of Dermatology” Trichostasis spinulosa causes itchy bumps on young adults' skin.
65 citations
,
March 2018 in “Journal of Dermatological Science” Skin problems can be caused or worsened by physical forces and pressure on the skin.
144 citations
,
September 2012 in “Genes & development” Aging causes skin stem cells to work less effectively.
4 citations
,
November 1999 in “PubMed” Monilethrix is a rare hair disorder causing beaded, fragile hair, often improving on its own over time.
13 citations
,
August 1982 in “Archives of dermatology” A new side effect of aromatic retinoid treatment is soft nails.
January 2005 in “Journal of Zhejiang University(Sciences Edition)” Yuyi hairless mice lose hair after birth, develop thick, loose skin with folds, and show disorganized skin structure as they age.
January 2024 in “Revista del Centro Dermatológico Pascua” Avoiding damage and using specific shampoo and supplements improved the hair condition.
Toxins can disrupt skin stem cell balance, causing skin overgrowth or ulceration.