Consumers believe that sunscreen with higher SPFsmean more protection, while some doctors say the numbers are a marketing ploy. 买防晒霜SPF值不是越高越好，防晒指数勿高于30。一般防晒产品都标有SPF数值，促销小姐会告诉...
Back at 7:41 this morning on Rossin Reports a day at the beach. And the sunscreen that was supposed to protect you. But whats the truth behind those super-high SPF numbers? Today National Investigators Correspondent Jeff Rossen is here with more. Jef...
