Smooth, lightweight moisturizer that hydrates and gently exfoliates to reveal a brighter, healthier-looking complexion. Obagi-C C-Exfoliating Day Lotion is part of a complete skincare regimen by Obagi. This lotion is a smooth and lightweight moisturizer. It hydrates and gently exfoliates. The Obagi-C System is ideal for improving the appearance of fine lines and wrinkles, dull complexion, and photoaging.