3 citations
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July 2003 in “PubMed” The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
11 citations
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July 2004 in “International Journal of Cosmetic Science” The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.
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.
1 citations
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January 2002 Hair shine can be measured by how it reflects laser light.
1 citations
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July 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Light affects skin health, aging, and cancer risk, and new light-based treatments and imaging are promising for skin care.