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Antibacterial activity assays of the various anti-acne patches. (A) Acne bilayer GC patches with 1 mg/mL of PA and 2.4 mg/mL of CA extracts; (B) antibacterial activity comparison of commercial anti-acne patches that were purchased from 3M (patch A), MENTHOLATUM (patch B), and MAYSKIN (patch C) with anti-acne bilayer GC patches containing 1 mg/mL of PA and 2.4 mg/mL of CA extracts (D).
