I have very thick and wavy hair. It is not the most impossible hair to tame ever but if I don't straighten it, it looks horrendous and I can't do anything with it. I bought this straightener several months ago and it has been fantastic. It straightens my hair (obviously haha) and not only that, I can use to make gorgeous curls. It heats up within a minute on a high heat and it heats up to 400 degrees ferhenheit. My hair never gets caught in it and it glides smoothly and effortlessly and since it has ceramic plates it never fries your hair. Definitely a good investment.