事件去年12月初,北京市东城区宋女士到某大型药店购买了一瓶祛斑霜,回家使用后不仅斑没去掉,反而有轻微的过敏反应。对此,宋女士非常气愤,拿着电脑小票找该药店要求退换,而药店售货员却指出电脑售药小票上已注明有“凡在本店购买的药品,一经售出概不退换”等字样,合同已生效,并 Event Early December last year, Ms. Dong, Dongcheng District, Beijing, to a large pharmacy to buy a bottle of freckle cream, go home not only after the spot is not removed, but a slight allergic reaction. In this regard, Ms. Song was very angry, holding a small computer bill to find the pharmacy demanded to be returned, and the pharmacy salesman pointed out that the small computer sales drugs have been marked with “Where the purchase of medicines in the store, once sold will not be returned,” etc. The words, the contract has taken effect, and