Tourmaline Info ...
Sedu Flat Iron - The Best Tourmaline Flat Iron You Can Buy? ... There are two Sedu straighteners available; the Sedu Ionic Ceramic Tourmaline Flat Iron 1" and 1 1/2"... For one thing most other brands don't offer tourmaline but just ceramic plates and those that do, only offer a thin coating of tourmaline on top of the ceramic... If you haven't heard of tourmaline before then let's just say that this crystal naturally emits something called negative ions when heated...