
I got this for both of my teen daughters who have very naturally curly hair that they usually straighten with an iron. We followed the direction explicitly because we had done a lot of research on the salon process including not touching the hair with water after the treatment for at least 3 days. We purchase a hot straightening iron for the required 410 degrees heat and were very careful in the process.
After three days, they washed their hair and when wet it now is in very loose waves almost like it was chemically straightened. They both say their hair is some much softer, conditioned and the texture is incredible. They say styling their hair is 100% easier and even though they still need to use a straightening iron for flat straight hair, they've cut the styling time in half.
They both want to reorder as soon as the treatment wears off (we're 1 month into now and it's still working).

I followed the directions except that my flat iron can only go up to 430, not 450. I'm still happy with my results and would purchase this product again.
My very naturally curly hair had already had a salon keratin treatment that was wearing off. This treatment made my hair smooth and shiny again. It didn't completely straightn my hair, it still has some waves but no frizz, which is what I wanted. When I want my hair straight I can blow dry it straight in a lot less time than before the treatment.
UPDATE: 1/18/2012
Two months later my hair still has no frizz. If I let my hair dry on it's own it's got more of the wave back. If I blow dry my hair it stays straight. I've been very happy with my hair since using this product, it's been as effective for keeping my hair smooth as the $250 (Global Keratin) treatment I had that first introduced me to what keratin can do, and only about 1/10 the cost. When I re do the treatment I'll use the correct 450 degree flat iron.
Buy IQ Natural 3PC Brazilian Keratin Complex Hair Straight Guard System~ 6oz. Great with CHI straightene Now
Product is easy to use for a person who is able to do hair. I suggest being in a VERY well ventilated area. I opened up my windows and put my fan on high facing the window. Once your at the point where your blow drying the product in your hair the fumes get very harsh and made my eyes burn. I had to take a break every once in a while. I also have well controlled asthma and had to use my inhaler after doing the application. If you can have someone else do this for you, I would and have them wear a mask so they are not breathing in the fumes. This beats paying thr $250 + tip at the hair salon, so i will continue on doing the applications myself. Also the bottles are VERY small. I have short hair and used about 1 1/2 ounces of Keratin. If you have long hair you should order two, or order the bigger bottles.
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I have thick, wavy hair that's roughly 4" past my shoulders and frizzes as soon as the humidity goes past 65%. Straightening my hair using just a straight iron is an hour long process and since I get up at 4:30am for work I typically just wash it then pull it up into a bun. When I came across this product on Amazon I thought it'd be the perfect solution for me while deciding on whether or not to go through with a Brazilian Blowout at a salon.
The process itself is simple. Wash hair with provided clarifying shampoo 2-3 times, blow dry without combing and apply treatment starting at the nape of the neck being sure to cover all strands. In the bottle the treatment has no chemical smell present, but by the time I had 2/3 of my hair coated I had to stop the process and step outside. My eyes, nose and throat were burning terribly and that was with my bathroom window open, overhead exhaust fan and a regular floor fan on. After 5 minutes I felt fine and was able to finish the process.
The directions state to let the treatment sit on the hair for 30-40 minutes before blow drying; I waited 40 because of my hair's thickness. While drying then straightening I encountered the same burning sensation as mentioned above but my hair DID look fantastic upon completion. I woke the next morning with just a couple of kinks that easily straightened with my straightening iron, and a head full of frizz-free hair. Perfect! Or not.
The heat and humidity that day were brutal high 90's with 80% humidity. My hair remained pin straight until it started to rain, that is. I watched the weather prior to leaving for work and left prepared with an umbrella as well as a hooded sweatshirt. No water whatsoever touched my hair but within a mere minute of being outside in the rainy weather my hair began to frizz. Shortly thereafter it became kinky.
I didn't give up hope though. I waited the full 3 days before washing my hair and was highly disappointed at the result. I knew within moments of stepping out of the shower that this product essentially did nothing. Frizz was present at my part and on the underside of my hair. Blowing it dry obviously didn't help and though when I straightened it it looked great it turned wavy/frizzy once I stepped outside.
Off to the salon I go.
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This stuff is amazing. I first tried the store bought 30 day system. It worked okay. It smoothed out some frizz, but I still had frizz and poof when I let my hair dry naturally. I wanted it gone completely. I wanted something that would work as well as if I'd paid $300 at the salon. This stuff did it! I followed the instructions completely. I waited the full 72 hours before washing my hair. It was easier to do than when I used the 30-day product, that one made my hair waxy and gross, it was really hard not to wash it. This stuff didn't make my hair feel over saturated. I have waist long hair and I used the whole 3 oz. bottle. It was plenty. After three days I used a sulfate free shampoo and conditioner, let me hair dry naturally and OMG! My hair is transformed. It's the hair I've always wanted. It's straight, but not stick straight. I have zero frizz, no poofiness after letting it dry naturally. I cannot believe it. I have lots of hair, it's mostly thick, some strands are really fine, but then I have some strands that are so thick and kinky. I strongly recommend this product!
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