Want to control unmanageable locks? Looking for the perfect product to smooth and tame your frizz? Step up TRESemmé Keratin Smooth. TRESemmé Keratin Smooth with Argan Oil brings frizz calming innovation to the fore to give you up to 72 hours of frizz control with natural movement. Infused with Keratin and Agran Oil for hair that’s silky smooth but still full of natural movement.