January 2026 in “Biomaterials and Biosystems” Keratin from chicken feathers can be safely used on damaged skin.
December 2021 in “Journal of natural fibers” The conclusion is that new methods for isolating hair cuticle cells and removing the cuticle layer are effective and convenient.
47 citations
,
June 1994 in “Experimental Cell Research” mHa2 and mHa3 keratins have different structures and roles in mouse hair and tongue tissues.
16 citations
,
January 2017 in “Physical chemistry chemical physics/PCCP. Physical chemistry chemical physics” The 3D structure of a key hair protein was modeled, revealing specific helical structures and stabilization features.
23 citations
,
January 1981 Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.
66 citations
,
June 2004 in “Biophysical Journal” Hard α-keratin in hair has a unique, nonordered structure, different from other fibers.
29 citations
,
July 2015 in “Journal of Medical Genetics” A genetic variant in the KRT25 gene causes tightly curled hair.
January 2013 in “Transactions of the Materials Research Society of Japan” CMADK reduces hair damage from bleaching and permanent waving.
161 citations
,
June 1993 in “Journal of Biological Chemistry” Trichohyalin helps in hair and skin cell structure and function by binding calcium and linking proteins.
48 citations
,
January 2002 in “Journal of Structural Biology” Trichocyte filaments have a low-density core and may include proteins for hair structure.
28 citations
,
August 1992 in “Differentiation” A new pair of mouse keratins, 65 kD and 48 kD, are found in specific skin areas and are linked to a unique skin differentiation type.
4 citations
,
January 2007 in “Sen'i Gakkaishi” Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.
3 citations
,
June 2020 in “Developmental Cell” Feather patterns are influenced by enhancers and chromatin looping, and the structure of protein complexes important for hair growth has been detailed.
23 citations
,
July 1994 in “Journal of Dermatological Science” Pili torti hair twists due to uneven outer root sheath cell development.
1 citations
,
March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
February 2020 in “Oxford University Press eBooks” The alpha-helix was confirmed as a key structure in proteins.
22 citations
,
May 2021 in “Nature Communications” Tissue stiffness affects hair follicle regeneration, and Twist1 is a key regulator.
13 citations
,
August 2020 in “Frontiers in Cell and Developmental Biology” Twist1 helps maintain important features of cells crucial for hair growth by working with Tcf4 and β-catenin.
11 citations
,
March 2021 in “Molecular Carcinogenesis” Twist1 is crucial for UVB-induced skin cancer development.
May 2024 in “Scientific reports” Twist2 is essential for scarless skin healing and hair growth in mouse fetuses.
Deleting Twist1 in skin cells reduces UVB-induced skin cancer risk.
March 2024 in “Research Square (Research Square)” Twist2 is essential for proper skin healing and hair growth in developing mice.
16 citations
,
June 2005 in “Clinical and Experimental Dermatology” Twisted hair is rare in severe anorexia nervosa, found in only 2 out of 30 patients.
22 citations
,
January 1985 Water makes hair more flexible, especially the outer layer.
1 citations
,
January 2025 in “International Journal of Cosmetic Science” Age-related hair curvature increases due to internal structural changes from grooming.
85 citations
,
October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
February 2019 in “PubMed” The research found that twisting hair fibers can show changes in stiffness and damage, and help tell apart different hair treatments.
15 citations
,
May 2009 in “Chemical Physics Letters” A new method accurately measures molecular movement without complex modeling.
6 citations
,
February 2013 in “Veterinary Dermatology” A young cat had a rare hair condition with twisted hair shafts but stayed healthy.
1 citations
,
January 2017 in “Science” A new method was developed to create complex molecular knots using iron ions.