Keratin Complex KCEXPRESS Express Blow Out Smoothing Kit Treatment and KC Primer Pre-Treatment Shampoo 33.8oz-Each a One-hour service with a unique formulation utilizing Trionic Keratin Protein and a Co-Polymer delivery system reducing frizz, curl, and styling time. Keratin Complex Express Blow Out can be used on all hair types including color-treated hair and lasts up to 6 weeks. Cleanse only after 8 hours.