93 citations
,
July 2006 in “Journal of Investigative Dermatology” K25, K27, and K28 are found in all inner root sheath layers of hair, while K26 is only in the cuticle.
26 citations
,
October 1999 in “Archives of Dermatology” Curly hair in certain scalp areas can be an early sign of hair loss.
January 2017 in “Journal of Chemical Biological and Physical Sciences” Human hair keratin genes have unique simple sequence repeats that may help track genetic variations.
17 citations
,
March 2011 in “Pediatric Dermatology” Two Sikh brothers developed permanent hair loss from wearing turbans tightly, a condition that became apparent after they moved to Austria.
95 citations
,
March 2009 in “Differentiation” Gene expression in wool follicles changes with growth cycles, offering insights into wool and human hair growth.
January 2026 in “Pakistan journal of urology.” Awareness of Penile Thread Tourniquet Syndrome is crucial for preventing severe complications in children.
13 citations
,
May 2001 in “Current problems in dermatology” Keratin proteins in epithelial cells are dynamic and crucial for cell processes and disease understanding.
November 2013 in “International Journal of Medical and Health Sciences” Doctors often miss Hair Tourniquet Syndrome, which can lead to serious damage if not treated quickly.
September 2024 in “Journal of the American Academy of Dermatology” Tight hairstyles under hijabs cause traction alopecia, worsened by prolonged wear.
4 citations
,
February 2001 in “PubMed” A medication called sodium valproate likely caused a girl's hair to become kinky and dry.
1 citations
,
January 2025 in “International Journal of Cosmetic Science” Age-related hair curvature increases due to internal structural changes from grooming.
January 2009 in “Chinese journal of Clinical Medicine” 8 citations
,
January 2014 in “Indian Dermatology Online Journal” Trichostasis spinulosa is a common but often unnoticed skin condition involving bundled vellus hairs, especially in people with darker skin or UV exposure.
91 citations
,
December 2000 in “The journal of cell biology/The Journal of cell biology” Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.
May 2022 in “Experimental dermatology” Trichothiodystrophy hair is structurally abnormal with protein and organization issues.
5 citations
,
January 2009 in “International Journal of Trichology” Two siblings had a rare hair condition with banded hair, which doesn't need treatment.
1 citations
,
March 1991 in “PubMed” Naevoid bundle hair is an unusual hair growth pattern where multiple hairs fuse together.
12 citations
,
September 2013 in “BMC Biophysics” Keratin filaments' elasticity is influenced by their terminal domains and surrounding medium.
April 2025 in “Indian Journal of Paediatric Dermatology” Trichorrhexis invaginata can occur with tinea capitis, though it's rare.
January 2023 in “Springer eBooks” 5 citations
,
February 1998 in “Polymer” Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
July 2022 in “Journal of Investigative Dermatology” A specific mutation in Kras causes abnormal tissue changes by making a cell signal continuously active, which disrupts normal cell coordination.
53 citations
,
May 1988 in “Journal of Molecular Evolution”
1 citations
,
October 2017 in “ecancermedicalscience” Breast cancer alters specific molecular structures in hair, which revert after cancer removal.
1 citations
,
January 2016 in “Journal of cosmetology & trichology” Trichoscopy helped diagnose and treat a child's fungal scalp infection by spotting specific hair shapes.
1 citations
,
January 1984
December 2022 in “Discover Psychology” A young woman developed a bowel obstruction from eating hair from her weave to relieve anxiety.
January 2023 in “Skin appendage disorders” Two Hispanic women developed Plica neuropathica, a condition causing tangled hair, possibly due to hair damage and various risk factors.
A wavy two-layer closure in hair transplants makes scars nearly invisible for most patients.
March 2025 in “The Open Dermatology Journal” Trichorrhexis nodosa is common hair breakage, often due to styling, and new treatments are being explored.