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.

**vs. non-conditioning shampoo

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*.