TRESemmé Keratin Smooth Shampoo – 1 L delivers professional-quality frizz control and silky shine with its keratin-infused formula. Enriched with hydrolyzed keratin to repair hair fibers and argan oil to moisturize, it smooths hair and protects against humidity for up to 72 hours. Its low-sulfate, salon-style cleansing provides deep nourishment without stripping essential oils, making your hair softer, more manageable, and noticeably glossy.