Cezanne Perfect Finish Keratin Smoothing Treatment provides comparable or better results to traditional formaldehyde smoothing treatments when it comes to removing frizz and smoothing hair – but without the harmful chemicals. Our revolutionary, formaldehyde free process penetrates into hair to infuse a unique blend of keratin, botanical extracts and vitamins that delivers not only smoother hair, but a restoration of natural luster for overall healthier and more manageable hair.