I would also use a protein lotion. I use Redken's Anti-Snap on the ends in conjunction with my straightening balm before I blow dry and it really helps!
TPF may earn a commission from merchant affiliate
links, including eBay, Amazon, and others
I've used this product from Tresemme for a while and it really does make my hair noticeably shinier and softer.
http://www.drugstore.com/products/prod.asp?pid=147153&catid=3562