Unpleasant smell and curl at the edge

In brief: The mat smells very unpleasant (artificial, unhealthy and obtrusively). We tried it yet with the hope that it might adopt its own after a few passages shower. The smell was still even after 10-15 passages shower. Also while you shower you take this smell was and then questioned whether such an increasingly smell and body contact can be healthy. In addition, the mat corrugated around the edges, so that the danger was growing to trip over. We have disposed of after about 7 days ...