Perricone MD Vitamin C Ester Daily Brightening & Exfoliating Peel is a no-rinse resurfacing peel that helps to exfoliate and helps to reduce the look of rough skin for smoother-looking skin. The peel also helps to improve the look of skin's radiance and glow and improve the appearance of deep lines, fine lines, and wrinkles. Designed for daily use, the lightweight, fast-absorbing liquid peel helps visibly brighten the look of skin to promote the appearance of a healthy-looking, luminous looking complexion. Keep up to your routine with this convenient Auto-Delivery plan; you'll receive a new shipment of the peel approximately every 90 days for two years. In a study with a Corneometer, after 30 minutes: -100% of particpants saw improvement in skin hydration In a study based on an expert grader, after 30 minutes: -100% of participants saw improvement in skin radiance and brightness Vitamin C Ester Daily Brightening & Exfoliating Peel is free of phthalates, mineral oil, petrolatum, fragrance, and triclosan. How do I use it: Saturate a cotton pad or apply with fingertips. Smooth over cleansed face and neck once daily, avoiding the eye area. No rinsing is needed. Once fully absorbed, follow with your favorite Perricone MD treatment and moisturizer. Store in a cool, dark place. Product can oxidize and darken over time. From Perricone MD.