August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
33 citations
,
June 1995 in “International journal of legal medicine” This study observed that prolonged water or soil exposure can lead to significant reductions in drug levels in bleached and natural hair samples.
12 citations
,
July 2016 in “Forensic science international” This study found that postmortem root banding in hair is likely due to the degradation of the intermacrofibrillar matrix in the cortex, with no damage to the cuticle observed.
3 citations
,
June 2019 in “Journal of cosmetic dermatology” In this study, tresses treated with pH 1.0 acid straightener showed better straightening but more damage to hair properties compared to those treated with pH 2.0.
12 citations
,
July 2015 in “British journal of dermatology/British journal of dermatology, Supplement” This study found that mechanical damage from grooming and environmental factors contributes to crack formation and eventual breakage in African-American hair, highlighting the need for continuous care.
21 citations
,
December 2011 in “Chungara” This study shows that environmental contamination affects mummy hair, suggesting that using it to assess ancient people's health or nutrition should be approached cautiously.
4 citations
,
June 2022 in “ACS applied materials & interfaces” This study described a new wig coating technique using keratin and graphene oxide that significantly enhanced UV resistance, antistatic properties, and durability compared to traditional methods.
8 citations
,
November 2019 in “International Journal of Morphology” This study found that using henna dye positively affected hair cuticula pattern and diameters compared to undyed hair, though the degree of change may vary based on hair phenotype and condition prior to treatment.
4 citations
,
January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
September 2025 in “Pakistan Journal of Science” This study observed that individuals with type 1 diabetes mellitus have notably lower levels of essential and trace elements like Calcium, Potassium, and Zinc in biological samples compared to non-diabetic controls.
August 2019 in “Journal of Investigative Dermatology” This study found that tight junctions extend to the most superficial layer of the stratum granulosum in human skin, challenging previous claims of their limited presence in the epidermis.
4 citations
,
July 2024 in “BMC Zoology” This study found that the structure and mineral content of dromedary camel hair, specifically the medulla patterns, medulla index, and elemental composition, change with age, revealing differences among camels aged 1 year, 3-5 years, and 8-10 years.
1 citations
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January 2018 in “Journal of microscopy and ultrastructure” In this study, researchers used SEM/SDD-EDS to identify waterborne minerals like calcium and aluminum in the scalp hair cuticle of individuals using treated or untreated water for hair washing, finding that prior application of coconut oil or conditioners can prevent calcium uptake.
January 2024 in “Molecules (Basel. Online)” In this study, researchers examined juglone's potential as a restoring agent for hair keratin damaged by permanent or bleaching treatments, finding that juglone formed Michael adducts with cysteine residues, leading to a more regular hair surface as observed via IR spectroscopy and SEM analysis.
5 citations
,
August 2021 in “STAR Protocols” This article outlines a protocol for scanning electron microscopy of murine skin and primary keratinocyte monolayers, providing a guide for sample preparation and examination.
21 citations
,
December 2016 in “European journal of pharmaceutics and biopharmaceutics” This study found that nano-sized lipid particles improved the skin accumulation and retention of dexamethasone compared to a base cream, suggesting potential benefits for inflammatory skin disease treatment.
4 citations
,
January 2021 in “Acta Dermato Venereologica” This study found that patients with frontal fibrosing alopecia had significantly more titanium-containing nanoparticles in their hair compared to healthy controls, suggesting a potential environmental influence.
January 2026 in “ChemistrySelect” This study demonstrates that a newly developed bio-based, dual-phasic hair serum offers a sustainable and effective alternative to traditional silicone-based serums, enhancing hair cuticle integrity and consumer appeal while supporting environmentally friendly formulation design.
25 citations
,
May 2019 in “Heliyon” This study found that excessive heat caused the most significant structural changes in hair from Caucasian and Afro samples, especially when combined with other treatments like bleaching and straightening.
1 citations
,
January 2021 in “Springer Proceedings in Materials” This study demonstrates a sample preparation method for wool follicles that allows for clear keratin labeling and ultrastructural preservation in microscopy, reducing common artefacts from conventional fixation techniques.
1 citations
,
August 1992 in “Proceedings annual meeting Electron Microscopy Society of America” This research analyzed two ancient mammoth hair strands and reported distinct structural and elemental differences, including calcium, iron, and copper deposits, which vary with age and origin.
1 citations
,
August 2017 in “British Journal of Dermatology” Sodium hypochlorite can effectively prevent and remove Staphylococcus aureus biofilms in atopic dermatitis at high enough concentrations.
25 citations
,
March 2002 in “Scanning” This study highlights confocal microscopy as a promising, minimally invasive tool for assessing hair morphology and internal structures, making it valuable for cosmetic hair assessments.
13 citations
,
January 2017 in “Cosmetics” This review discusses in vitro methods for evaluating the effects of hair care products on hair fibers, reporting no new results; the authors emphasize the importance of selecting appropriate and accurate equipment for testing.
10 citations
,
May 2020 in “Journal of proteome research” This study found that hair proteome profiling and genetically variant peptide identification in hairs remained effective after an explosive blast, indicating potential for forensic human identification despite damage.
4 citations
,
February 2007 in “Journal of the European Academy of Dermatology and Venereology” This article discusses silicon in hair loss but provides no new research findings or clinical results.
July 2016 in “Indian journal of science and technology” In this study, researchers found that neonate hairs have a distinct microstructure with no medulla and smaller hair follicles compared to adult hairs.
November 2023 in “Borneo Journal of Pharmacy” In this study, researchers used scanning electron microscopy to analyze hair damage from 3% hydrogen peroxide and UVB radiation, observing that Caesalpinia sappan hair tonic formulations coated and interacted with the hair cuticle, potentially modifying hair fiber damage.
1 citations
,
April 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This study is the first to document alopecia in Guadalupe fur seals in the Northeast Pacific Ocean, finding that it may result from nutritional stress due to higher sea surface temperatures.
1 citations
,
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” This chapter reviews the anatomy and structure of hair, discusses hair damage and analyses, and explores methods for processing hair changes, but presents no new research findings.