20 citations
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January 2015 in “Journal of cosmetic dermatology” This study found that as Japanese women age, their hair cuticle becomes more prone to damage, shifting from type L to type E damage patterns, and hair surface properties, including fatty acid content, deteriorate.
12 citations
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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.
October 2024 in “Российский физиологический журнал им И М Сеченова” This study explores the neurobiology and genetics of barbering (hair and whisker biting) in laboratory rodents, and its potential links to stress, aggression, grooming, and stereotypic behaviors, highlighting its significance in experimental work with these animals.
October 2025 in “Preprints.org” In this study, chronic unpredictable stress affected male and female wild-derived house mice differently; stressed females gained less weight, had long grooming times, and lower immobility in tests, while stressed males showed increased hair corticosterone levels and shorter immobility times.
3 citations
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August 2011 in “PubMed” This study found that coconut oil use was associated with less hair damage than normal grooming practices, as indicated by hair breakage index and break stress measurements.