KERATIN COMPLEX EXPRESS BLOW OUTKeratin Complex Express Blow Out is a new formulation that infuses Natural Keratin, a powerfully rich protein, deep into the hair cuticle, providing you with the hair youve always dreamed of! Express Blow Out redefines and expands the keratin category! This 1 hour in salon service is perfect for the woman on the go as it reduces frizz, curl, and styling time for up to 6 weeks! One hour service Same day washout (as soon as 8 hours) Lasts up to 6 weeks