Check the listing for details. Cezanne Classic Keratin Smoothing Treatment 4 fl.oz. Formaldehyde-Free. Condition: New without box, Made in United States. Listed at 105.00 USD. The Cezanne Classic Keratin Smoothing Treatment is a professional use formaldehyde-free product designed for all hair types. It contains active ingredients such as hydrolyzed keratin, aloe vera leaf juice, and green tea leaf extract to provide smoothing and straightening effects. This treatment, suitable for both men and women, is formulated with a cream base and manufactured in the United States by the trusted brand CEZANNE. With a period after opening of 12 months, this product offers a safe and effective solution for achieving sleek and healthy hair.The Cezanne Classic Keratin Smoothing Treatment is a professional use formaldehyde-free product designed for all hair types. It contains active ingredients such as hydrolyzed keratin, aloe vera leaf juice, and green tea leaf extract to provide smoothing and straightening effects. This treatment, suitable for both men and women, is formulated with a cream base and manufactured in the United States by the trusted brand CEZANNE. With a period after opening of 12 months, this product offers a safe and effective solution for achieving sleek and healthy hair.