What is the best solution for my frizzy hair?

I live in Okinawa japan, and the weather is very humid at times, my hair is naturaly curly ...so when I try to straighten it out it get really puffy and frizzy!!! Im looking for something that really works even if it's a bit pricey!!!! I just need something that will actually help my hair with the nasty frizz!!!! thanks !!!