454 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS Figure 3. Cracking and buckling of cuticle on natural brown hair broken in water 4a 100l•m
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
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