Keratin Complex Express Blowout System Keratin Complex’s KCEXPRESS is the perfect add-on in-salon service that smoothes, locks in hair color, boosts shine, increases manageability, provides frizz control and delivers all the healthy hair benefits of a keratin hair smoothing treatment for up to six weeks! Includes 4 ounce primer 4 ounce Express Blowout Smoothing Treatment 4- 5 ounce Treatment Spray New in Box Complete Booklet with Directions