1 O0]•m 100]•m Figure 4. Optical micrographs of natural brown hair at high extension in water, (a) top focus showing cuticle cracks, (b) edge focus showing flaring and (c) extreme flaring at higher extension

51t 2Sl•m 5b 2•m ..: . •,. ß Figure 5. Scanning electron micrograph of natural brown hair extended in water and dried in air at fixed ex- tension showing (a) cuticle flaring and loose scales and (b) cortex visible in cuticle gap

Purchased for the exclusive use of nofirst nolast (unknown)
From: SCC Media Library & Resource Center (library.scconline.org)