Does sunscreen really matter? Dermatologist Ellen Marmur, MD explains how daily use can help prevent brown spots and other signs of skin damage – and keep you looking younger. Find out what SPFs to wear every season.

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Want to know how to look marvelous without splurging so much? Dr. Oz invites three beauty experts to share the smartest ways to save money while looking fabulous starting from your hair and makeup tools to the beauty products you use.