Work smarter, not harder with Obagi® Retinol 0.5. Our highly effective Retinol is a cream-based formula that helps to renew your skin and gently releases ingredients to minimize the appearance of fine lines and wrinkles while promoting skin turnover to help minimize visible signs of skin aging with minimal irritation. We've also included an airless pump to dispense the product easily while protecting the formula integrity and product performance. 1 oz. 28 g.