I bought 2 bottles of Coppertone sunblock 4 days ago. Thinking I wouldn't need it, I threw away the receipt. I used some of one of them and went outside to work. After an hour, I noticed my arms and face were turning red. I immediately went inside and checked the expiration dates on the bottles. Both of them had expired in February of this year. This is May. I no longer had the receipt, but I took both bottles back to Walgreens. The employee I talked to refused to let me exchange them without a receipt. He implied that I was lying about... read full review »