Split-screen proof that not all haircare is created equal 👀✨ I put the Kérastase Première routine to the test — and let’s just say, the “with” speaks for itself. From frizz control to that healthy shine, this dual-action repair system has completely elevated my routine. #KerastasePartner @Kérastase #KerastaseUSA #PremiereRoutine #HairTransformation #WithvsWithout