September 2025 in “International Journal of Cosmetic Science” This study found that for straight hair, friction mainly influences fragment formation during combing, suggesting no direct connection to tensile fatigue failure, while with textured hair, combing performance may be more complex.
37 citations
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November 2007 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” This review discusses how hair care practices impact hair breakage, particularly in patients of color, and reports no clinical results; the authors review testing and measurement advancements and highlight gaps in understanding structural differences.
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.
13 citations
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November 2012 in “International Journal of Dermatology” This study of African-American women found that those perceiving greater hair breakage showed lower break stress and higher premature failure rates, linked to grooming practices and hair curvature.
January 2022 in “Consultant”