Tame your wild, curly, out of control hair with Bio Ionic KeraSmooth Anti-Frizz Treatment for Virgin/Resistant Hair. This keratin treatment will leave your hair sleek, smooth and shiny. This amazing hair product last up to 12 weeks and it is safe to use because it is formaldehyde and formaldehyde derivative free. Bio Ionic KeraSmooth Anti-Frizz Treatment involves a one step process so you can achieve smooth, frizz-free results in as little as 45 minutes! If you chemically treat your hair, we recommend Bio Ionic KeraSmooth Anti-Frizz Treatment for Chemically Treated Hair. We recommend you take this product to your stylist. This product is intended for professional use only, and you want to achieve the best application possible. Now your hair will be easier to deal with in the morning because you will not spend so much time trying to detangle and comb it. In as little as five minutes, you may be able to comb through your hair easily. Give this hair straightening product a try. We know you will be pleased with your smooth results. As always, come back and let us know how great your straight hair looks!