Results vary among individuals. Nearly all patients who have undergone biopsies after nonablative resurfacing have shown histological improvement with increased number of fibro-blasts, increased collagen deposition, and normalization of the papillary dermis (Fitzpatrick et al. 2000; Goldberg 1999). Clinical improvement, however, can be more subtle and does not appear to correlate with histological improvement. Although results are relatively inconspicuous and occur slowly over time, most patients concur that the skin feels "tighter,""firmer," and more "toned" (Figs. 5.8-5.11).
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