CHI Keratin Coated 1" Ceramic Hairstyling Iron is designed to work with the CHI Keratin K-TRIX 5 Thermal Active Smoothing Treatment to help penetrate the treatment deep within the hair cuticle to create lasting silky smooth hair in one pass. Using both of these products together helps seal in moisture, smooth frizz, and add incredible shine for hair that is beautifully styled and protected. On the days following the CHI Keratin K-TRIX 5 Thermal Active Smoothing Treatment, styling with the CHI Keratin Coated 1" Ceramic Hairstyling Iron will aid in prolonging treatment results as well as creating daily smooth styles. Contains: CHI Keratin K-TRIX 5 Thermal Active Smoothing Treatment 3.92 fl.oz. - Thermally activated smoothing treatment that works with the heat of a styling iron to smooth the hair cuticle lock in moisture and seal out humidity creating soft, frizz free styles that last up to 5 days*. Infused with Keratrix, a unique compound that utilizes sustained release technology to gradually release strengthening and smoothing proteins as needs for long lasting results. CHI Keratin Flexible Hold Hair Spray 2.26 oz. - Flexible styling hairspray with lightweight control to provide an ultra-smooth hold. Infused with Keratin to strengthen hair and reduce breakage, this smoothing hairspray seals out humidity, eliminates frizz and fly aways from any style for a sleek smooth finish that lasts all day.