Clinical Benefit and Safety of Microneedle Patches Composed of Magnesium: A Pilot Study in Acne Patients

Figure 5

(a) Changes in pore sizes of the nose and both cheeks over time, (b) changes in sebum secretion of the nose and both cheeks over time, and (c) changes in porphyrin level of the nose and both cheeks over time ( values less than 0.05 shown as less than 0.01 shown as and less than 0.001 shown as ); visit 1: week zero, visit 4: week four, visit 5: week twelve.

(a)

(b)

(c)