EVALUATION OF UV HAIR DAMAGE BY AFM 279 C) •o..• , 0 10'.0 •-0'. 0 Min , 0 10",0 •-0.0 Figure 5. AFM: surface distance analysis. (a) Control: virgin hair (0 hours). (b) Exposed (160 hours) to UV radiation.
280 JOURNAL OF COSMETIC SCIENCE z.bo •.oo e.bo DC Hin _n,,, • ,'----- Spect•u. b DC Min Figure 6. AFM: surface distance analysis. (a) Control: virgin hair (0 hours). (b) Exposed (160 hours) to UV radiation. the high resolution of electron microscopy with the environmental and simple flexibility of light microscopy. The dual advantage that AFM affords may render it the ideal choice for studies of roughness, thickness, and any other changes in the topography of hair structure.
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