January 1997 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The hair follicle's connection to connective tissue is weaker than the skin's.
19 citations
,
May 2008 in “Applied spectroscopy” Human hair has different protein structures in its cuticle and cortex.
1 citations
,
January 1989 in “Springer eBooks” January 2022 in “Consultant”
26 citations
,
January 2019 in “Experimental Dermatology” Researchers created early-stage hair-like structures from skin cells, showing how these cells can self-organize, but more is needed for complete hair growth.
33 citations
,
March 2006 in “Seminars in cutaneous medicine and surgery” The document explains how to identify different hair problems using a microscope.
72 citations
,
December 2011 September 2016 in “Journal of dermatological science” The conclusion is that the variation in hair thinness in patients is mostly due to the amount of underdeveloped hairs, and treatments that thicken fine hairs might work for those with mild to severe conditions.
8 citations
,
March 1990 in “Indian Journal of Dermatology Venereology and Leprology” Cutting matted hair stopped further hair loss caused by homemade shampoo.
48 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
40 citations
,
June 2013 in “Biomaterials” Scientists created 3D hair-like structures that could help study hair growth and test treatments.
4 citations
,
February 2001 in “PubMed” A medication called sodium valproate likely caused a girl's hair to become kinky and dry.
17 citations
,
November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
Perming, combing, and stretching damage hair by reducing keratin levels.
2 citations
,
January 2004 in “PubMed” Conditioners with PQ-10 soften the flat part of hair cuticles but harden the edges.
March 2026 in “Medical Lasers” Adjusting hair dryer settings improves drying efficiency and keeps hair healthy.
15 citations
,
January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
April 2017 in “Journal of Investigative Dermatology” Scientists created a tiny, 3D model of a hair follicle that grows and acts like a real one.
51 citations
,
March 1990 in “Journal of Investigative Dermatology” 1 citations
,
January 2010 in “Biological and medical physics series” Human hair's structure and properties were studied using advanced microscopes and mechanical tests.
40 citations
,
March 1991 in “Journal of Investigative Dermatology” 13 citations
,
February 2019 in “Zoology” Lustre mutant sheep have normal hair structure and proteins but differ in felting properties.
September 2025 in “International Journal of Ayurvedic Medicine” Hair medulla patterns vary by Prakruti type, affecting hair strength.
January 2019 in “Pediatric Oncall” Sodium valproate can rarely cause curly hair in children.
2 citations
,
August 2019 in “International Journal of Cosmetic Science” Older age and certain lifestyles are linked to thinner, weaker hair, while how you see your hair relates to its thickness.
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.
1 citations
,
May 2016 in “Journal of the American Academy of Dermatology” The man likely has tufted folliculitis causing painful, scarring hair loss.
10 citations
,
November 2013 in “Biochemistry and Molecular Biology Education” Keratins are crucial proteins for hair and nails, with a structure that helps teach protein principles.
March 2003 in “Clinics in Dermatology” 11 citations
,
May 2016 in “PubMed” New imaging and testing methods can effectively assess hair shape changes and damage.