<qa>  What is the name of the group that will undergo skin swabs?1. To evaluate facial skin microbiota in participants with acne vulgaris at baseline, week 4, week 8, week 12, and week 16 in B244-treated participants compared to placebo from: i Skin swabs will be taken from forehead, nose, both cheeks and chin All participants placebo and B244 will undergo skin swabs and testing. 