2-Step Booster Shot Program to Promote Collagen Production. - Brand: BIOHEAL BOH - Product Name: PROBIODERM Collagen Remodeling Booster Shot Program - Step 1: Peeling (AHA, PHA, Micro Shot) - Step 2: Moist & Glow - Contents: Set of 2 - Features: Promotes collagen production - How to use: Use in 2 steps Thank you for viewing. This was included in a set I purchased at the end of October, but I'm selling it because I won't be using it! It's unopened, but please refrain from purchasing if you are concerned as it has been in someone else's possession.