yes you can use a hair straightner http://www.ulta.com/control/product/~category_id=9/~product_id=2057891 - http://www.ulta.com/control/product/~category_id=9/~product_id=2057891

something similar to that im sure you can find a better one this is just an example.

 

and you can use straightning products something like this again this is an example ive never tried it.

http://www.ulta.com/control/product/~category_id=83/~product_id=2101777 - http://www.ulta.com/control/product/~category_id=83/~product_id=2101777

 

 

but over all my real advice will be to NOT do it!!! its more damage then good the heat is not good for hair. you should just embrace your curls and learn to manage and defrizz them with curly products like products by deva curl.

http://www.haircareusa.com/devacurl.htm - http://www.haircareusa.com/devacurl.htm