I was skeptical about buying this since nothing has worked on my hair. Underneath on my hair is pure frizz, the next layer up is wavy and not in a good way, and last but not least the top layer is straight as an arrow. I decide to try this after reading some reviews on other models I was a bit afraid. After received it I glanced at the directions which didn't tell me much and went straight to YouTube and found a Conair of a similar model and watched a few. I HIGHLY recommend doing this if you decide to purchase it helped me tremendously. I washed my hair and air dried it, and put a heat protectant on it and went about my day with my hair in a pony tail. Next time I will let it dry overnight. It will make no difference either way, but my hair takes forever to dry on it's own.Ok I was finally ready to try it and be disappointed....well I did my hair in 3 sections starting from the bottom up. Tackled the frizz first. I combed each piece as I went. To my shock and dismay it went perfectly and I had curls. I used high heat and 12 seconds as I knew it would not stay in a tight curl. Then I went to the wavy section, went perfect, then to the straight section and before I knew it about 30 minutes I had even curls all over my head. My husband watched and thought what the heck are you doing. The trick is to get it in the chamber correctly like I saw in the video. I had no tangles or catches. I also don't recommend trying to try and curl from the scalp out. It is a different angle and it won't work and trust me you will have plenty of curl. I let the curls cool down then lifted each layer gently and used a light hairspray on my layers (I say layers but my hair is all one length past my shoulders). Also unlike any other curling device when you hear the solid beeping and it is done just open the device and let the curl fall, if you try and tug at it, it will ruin the curl. The Curl Machine is not heavy, I only wish I had a mirror in my bathroom to see what I was doing in the back, I did it by feel. My curls di loosen overnight as I slept on them, but my hair is EXREMELY thick, so I expected that, but I had Beachy waves. I threw it up in a ponytail and walked my dogs and was sweating really bad, took out the ponytail shook my head and all my waves were still there instead of frizz.. We are in monsoons so it is humid right now. I highly recommend this Conair Pro Curlmatic Curl Machine, but again do your homework before you start and get on Youtube and you will find it easy. I have tried electric rollers, hot brushes, curling irons, flat irons and none worked for me and my flat iron alone was over $300.