I'm actually SHOCKED this doesn't have more reviews. In my opinion, this is the best flat iron on the market!
Background info: I have extremely thick and curly hair, really long, sort of wild outta control. I've used many flat irons over the years, from Chi, Sedu, etc. I purchased the Sultra when my Sedu broke, and it's actually kind of insane to be paying $210 for a hair straightener..but it is totally worth the plunge! Let me also mention that I've been using this for 2 years now.
So for me, this is the reason why this is the most amazing flat iron ever. With every other straightener I have ever used, my hair was left looking dead, muted black, and basically fried. It's actually a very unflattering look and I didn't even realize my hair looked like this until I got the Seductress, because I was too busy being happy that my hair was straight and that it didn't take an hour to do. (who else remembers the struggle days of trying to find an iron that would actually straighten your hair?). Now, I don't know about the claims Sultra makes that it makes your hair healthy or whatever. I don't think heat damage is ever "healthy" for your hair. BUT I can say that I instantly noticed that my hair looked REAL after using this. My hair was shiny, healthy looking straight hair. As if my real hair was straight and not as if I just straightened my hair to its death, you know what I mean? It somehow manages to not give your hair that fried look! It straightens hair with literally one pass, and there's no touch up required, although I like to quickly run it through again before leaving the house to ensure sleekness and long-last-iness.
It doesn't have temperature control but instead the heat settings are based off the texture of your hair: fine, normal, and thick. Surprisingly, I can get away with using the normal setting despite my crazy mane, which is great! The less heat that you're applying to your hair, the better it is for your hair's health as we all know. :) I use the thick setting if I'm in a hurry. The fine is also good for straightening my baby hairs (so they don't get fried to death) and bangs (so they don't lose volume). This may annoy some people who like to have specific temperature controls, however. Another downside is obviously the price, but it is definitely a very high quality product so it's well worth the investment.
It gets hot within just a minute or so. I've never really had to wait for it to heat up. It also shuts off after 30 mins of not being used, which is good for paranoid people like me who always wonder whether they shut the iron off or not. It comes with a little pad which I now use to rest all my heating appliances. You can also plug this in pretty much anywhere you go because it has universal voltage! Good news for frequent travelers.
Out of literally all the beauty products that I own, I would say this is the most ideal, problem-free one.