The Brazilian Heat after dark series is safe for use on your keratin treated hair but it will also give you blowout results with any hair type. A professional curling titanium infused 1.25 inch spring iron with clamp lever. Only takes 30 seconds to heat up and gives you precise temperature settings up to 450 f. The 8-foot swivel power cord is user-friendly for ultimate flexibility while creating your ideal style. The digital temperature lock prevents accidental heat changes during use. Comes with safety stand and thermal pouch.