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

Figure 4

Demonstration of increasing amount of mucin around RFTZ starting at 1 month after treatment. (a) One week. (b) One month after treatment. (c) Three months. (Colloidal iron stain; original magnifications: 10x.)

(a)  

(b)

(c)