TRESemmé 7-Day Keratin Smooth System. A breakthrough in hair technology using Heat Activated Polymers to provide long lasting, salon looking hair that stays controlled and defined for up to seven days. TRESemmé 7 Day Keratin Smooth System unique formula cares and nourishes from root to tip, ensuring the condition of your hair is not compromised. Salon styling results are achieved effortlessly with hair maintaining its natural movement, without leaving the hair feeling coated. Tipped as the fast-track fix to smoother, more manageable hair, Our philosophy from our origins in Salons in 1948, TRESemmé has been driven by a simple truth: every woman deserves to look & feel fabulous, like they've just stepped out of the salon. TRESemmé is dedicated to creating haircare products that are salon quality. Inspired by stylists and tested in salons, the products are designed to help you achieve salon gorgeous hair every day. If you think TRESemmé 7 Day Keratin Smooth Shampoo is one of the best hair keratin conditioners for your hair, don’t keep it a secret. Leave a review and share your tips. 7-Day Keratin Smooth is part of TRESemmé Specialist Range.