d Program Medicated Acne Care Serum d Program focuses on the "good skin bacteria" that exist on everyone's skin and are the key to beautiful skin. It offers immediate care anytime. This medicated acne care serum prevents adult acne and leads to "smooth, beautiful skin." It contains two types of quasi-drug active ingredients that prevent rough skin and acne. By preemptively preventing acne that tends to worsen, it helps prevent acne scars. 15g