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Fine Structure of Damaged Hair Shaft by Daily Treatment of Heat for a Beautiful Face  

Chang, Byung-Soo (Department of Clinical Pathology, Dongnam Health College)
Publication Information
Applied Microscopy / v.33, no.3, 2003 , pp. 215-222 More about this Journal
Abstract
The ultrastructure of damaged hair shaft from blow-drying at typical temperature $40{\sim}170^{\circ}C$ for daily beautiful face have been investigated by using transmission electron microscope and scanning electron microscope. When we used to hair dryer for a long time in our everyday life, the following morphological alternations were found in hair. First, the partial of scales in outer cuticle were detached simultaneously with separation of intercellular membrane complex of cuticle cells. Then hair broke cuticle off and exposed to cortex. Secondly, the cortical cell in the cortex was fissured into its macrofibril. The melanin granules were scattered between macrofibrils. As a result, I confirmed that blow-drying removed the hair's bonded water and made hard on hair which lost elasticity. After all, hair showed irregular, rough surface and vanished its luster.
Keywords
Fine structure; Hair; Hair cortex; Hair shaft; Scale;
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