1 citations
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February 2021 in “Journal of Cosmetic Dermatology” Using a 30°-sapphire blade at a lower angle causes the least injury in hair transplants.
January 2003 in “Research Portal (King's College London)” Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.
15 citations
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May 2009 in “Chemical Physics Letters” A new method accurately measures molecular movement without complex modeling.
9 citations
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April 2019 in “Journal of structural biology” Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
3 citations
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January 2018 in “International Journal of Cosmetic Science” Hair stiffness increased by 13.2% after caffeine treatment, validating the Stiffness-Angle Law as an effective measurement method.