Thermal Response of In Vivo Human Skin to Fractional Radiofrequency Microneedle Device

Figure 5

Neoelastogenesis. (a) Immediately after treatment, enlarged and clumped elastic fibers were found, representing denatured elastic fibers from heat. (b) There is increasing amount of smaller size elastic fibers around zones of denatured collagen compared to nontreated site at 1 month after treatment. (c) Three months after treatment. (Verhoeff-Van Gieson stain; original magnifications: 10x.)

(a)

(b)

(c)