I like the fresh scent this product gives, and my teeth seems to be less sentitive to cold food. Will purchase again. P.s. Please use toothbrushes with soft bristles to protect your enamel. 味道清新,有舒缓敏感的作用。同时建议大家买软、细毛,刷头小的牙刷,国内的牙刷大部分都毁牙釉质。在网上搜一下巴氏刷牙法,快捷有效。