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. Whatever look you want, the titanium straightening iron will graciously give it to you. It includes 1.5 inch, titanium, extra-long floating plates which give you more control, plus a boost of shine. The Brazilian after dark straightening iron is sleek, sophisticated and upscale with high performance and power. Includes a ceramic heater and exact temperature settings ideal for keratin treatments. Keep your counter top free from burn marks with the thermal pouch. Has an 8-foot, 360 degrees swivel power cord for ultimate flexibility.