research In-Situ Tensile Testing of Hair Fibers in An Environmental Scanning Electron Microscope (ESEM)
Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
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5 / 1000+ results research Ultrastructural alterations and environmental exposure influence the opiate concentrations in hair of drug addicts
This study observed that prolonged water or soil exposure can lead to significant reductions in drug levels in bleached and natural hair samples.
research Microscopical characterization of known postmortem root bands using light and scanning electron microscopy
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.
research Impact of acid straightener's pH value in the hair fiber properties
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.
research Understanding breakage in curly hair
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.
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