Why: The days may be shorter and the sun is less intense, but you still need a daily sunscreen. Dr. Obagi, a high-profile Beverly Hills dermatologist, offers a slightly-tinted primer with SPF30 that goes on like velvet and creates a UV barrier you can’t beat. Plus, your skin is smoother and makeup goes on like a dream. A good way to launch into Dr. Obagi’s high-budget line of anti-aging products.