You have been charged with the duty of protecting the largest organ in your body. You’ve been hearing it your entire life. Prevent wrinkles, age spots and skin cancer. WEAR SUNSCREEN.

Spa Week’s Anti-Aging Celebrity Dermatologist Dennis Gross, M.D. has challenged you to do just that in his 10-day Sunscreen Challenge, which starts tomorrow! Join on Facebook to tell us you applied your sunscreen… hopefully you were doing it anyway, right?

Dr. Gross a New York-based practicing dermatologist and board certified dermatological surgeon to both stars average folk alike. He has trained, taught and performed research at world-renowned institutes such as Memorial Sloan Kettering and Rockefeller University, published numerous scientific reports on skin cancer and was actively involved in pioneering research on Interferon and Cancer Immunology. Dr. Gross believes in a synergy between medical treatments, professional services and retail products for effective at-home care. Dr. Dennis Gross Skincare™ utilizes carefully engineered, breakthrough ingredients and delivery systems which help the consumer achieve results comparable to a doctor’s office treatment.

Here, this star-studded skin doc gives Spa Week Daily readers his top 10 tips for keeping your skin not only safe – but Hollywood-style gorgeous.