April 2012 in “Informa Healthcare eBooks” Tight hairstyles can cause temporary or permanent hair loss, with less hair seen under a microscope in later stages.
26 citations
,
January 1993 in “Dermatology” A rare case of isolated trichothiodystrophy was identified, marked by brittle hair with low sulfur content.
67 citations
,
February 1994 in “Developmental dynamics” Specific proteins and molecules play key roles in the development of human hair follicles.
October 2012 in “한국미용학회지” For best curls and hair health, use keratin and ceramide after rinsing, or skip rinsing for stable curls.
July 2011 in “Microscopy and microanalysis” Human hair's structure makes it tough and resistant to breaking.
12 citations
,
February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
17 citations
,
February 1987 in “Journal of the American Academy of Dermatology” The hair cuticle acts as a barrier against fungal infection, which occurs only deep within the hair follicle.
49 citations
,
September 2004 in “Journal of the European Academy of Dermatology and Venereology” Careful light microscopy is crucial for detecting mild cases of pili annulati, which weakens hair and varies widely in expression.
12 citations
,
March 2004 in “Journal of Investigative Dermatology” 26 citations
,
January 1983 in “PubMed” Trichothiodystrophy involves brittle hair due to low sulfur amino acids, not a transport defect.
19 citations
,
March 1961 in “Nature” A fatty acid/protein complex in human hair helps protect it from damage.
33 citations
,
September 2017 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes woolly hair and hair loss.
8 citations
,
October 2010 in “Advances in plant biology” October 2018 in “Deep Blue (University of Michigan)” Hair follicle development involves specific cells and genes, crucial for understanding severe skin diseases like harlequin ichthyosis.
24 citations
,
June 2003 in “Journal of Structural Biology” Sheet formation is key to macrofibril structure differences in wool.
September 2024 in “Journal of the American Academy of Dermatology” Tight hairstyles under hijabs cause traction alopecia, worsened by prolonged wear.
72 citations
,
July 1984 in “Journal of Investigative Dermatology” 108 citations
,
October 2003 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin makes hair follicles stronger.
July 1995 in “Journal of Dermatological Science”
759 citations
,
February 2009 in “Current Biology” Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.
March 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Beard hair medulla cells have a unique and varied keratin pattern.
A young athlete's fragile hair condition improved by cutting hair and using gentle shampoo.
16 citations
,
November 2020 in “In Vitro Cellular & Developmental Biology - Animal” Microfollicles can effectively model human hair follicles for research and testing.
16 citations
,
January 2010 in “Springer eBooks” February 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Rodent spiny hair traits are due to genetic factors other than the Edar gene.
22 citations
,
January 1990 April 2026 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy” 2 citations
,
July 2013 in “Acervo Digital da Universidade Estadual Paulista (Universidade Estadual Paulista)” The shampoo effectively defines and models curls while reducing frizz and volume.
March 2022 in “Book Publisher International (a part of SCIENCEDOMAIN International)” Human hair has bipolar electrical charges due to gaps in the hair follicle's electromagnetic fields.