Philosophy The Microdelivery Resurfacing Peel – Step 1 (Vitamin C/Peptide Resurfacing Crystals) Reveal smoother, brighter, more radiant skin with Philosophy The Microdelivery Resurfacing Peel – Step 1. This powerful exfoliating treatment features Vitamin C and Peptide Resurfacing Crystals designed to gently buff away dead skin cells, smooth skin texture, and help improve the appearance of fine lines and uneven tone. Step 1 is part of Philosophy’s two-step at-home peel system. Used alone or with Step 2 (Lactic/Salicylic Acid Activating Gel), it delivers spa-like results in just minutes—leaving your skin feeling fresh, revitalized, and visibly brighter.