Hello silky hair from the salon, tame the frizz! With TRESemme Keratin Smooth Hair Serum, achieve smoothness of salon-quality. This mixture, which contains argan oil, rapidly reduces frizz and gives your hair colour and shine. Even in 80% humidity, get 2x smoother hair and long-lasting frizz control for up to 48 hours.based on laboratory comparisons with non-conditioning shampoo This cream smoothes, styles, and controls frizz to make hair more manageable. It contains moisturising ingredients that style and protect hair as well as the benefits of oil. It is a flexible product that coats the hair surfaces before style in order to function as a primer and protect your hair from heat damage. It contains beneficial light oil, which makes your hair shine.