Analysis of internal structure changes in black human hair keratin fibers with aging using Raman spectroscopy

Abstract excerpt

Abstract To investigate the internal structure changes in virgin black human hair keratin fibers due to aging, the structure of cross‐sections at various depths of virgin black human hair (sections of new growth hair: 2 mm from the scalp) from a group of eight Japanese females in their twenties and another group of eight Japanese females in their fifties were analyzed using Raman spectroscopy. For the first time,...

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