Hibiclens is an antiseptic soap with residual effects. The active ingredient is chlorhexadine gluconate (CHG). You’ll apply it a couple times before the procedure to reduce the microbial load on your skin. If I have not given you a bottle, you should be able to find some at a pharmacy.
For this procedure, we want to minimize the potential for surgical site infections, especially antibiotic-resistant strains. Skin can’t be sterilized pre-procedure - it has too many holes and layers for that. Instead, we try to minimize the microbial load for the area we’ll be operating on, and a little bit around that.
Do these steps BOTH the night before the procedure, and the morning of:
Try not to get any bad injuries in the week or so leading up to the procedure. Cut down on smoking if possible. Eat, rest, and stay hydrated. Don't shave the area for a few days prior.