10 Worst Hair Straightening Products Want to get rid of frizz or curls? Steer clear of these products Looking for a smooth, sleek, straight style? Well, don’t attempt one using any of these hair straightening products. TotalBeauty.com readers say the ones on this list left them with poufy, frizzy or worse — greasy — hair. Check them out so you know what to avoid. See products No. 10: L’Oreal Paris Vive Pro Smooth Shampoo, $3.99 Total