Imagine styling your hair everyday with less frizz and more manageability. Introducing TRESemmé 7 Day Keratin Smooth, a breakthrough non-damaging smoothing system that lasts through washes. Get salon-smooth hair that lasts for 7 days*, even through washes.

The revolutionary Thermal Technology is activated by the heat of your flat iron. This non-damaging formula will help lock out frizz for 7 days*, giving you gorgeous, salon-smooth hair that lasts through washes.