Wella ULTIMATE SMOOTH Hair Mask features patented technology with Squalane and Omega-9, providing nourishment both inside and out. It works in just 30 seconds to deeply nourish and smooth hair, with results that last up to 3 days*. **Details** **Benefits:** - Deeply smooths, nourishes, and adds shine to hair. - A nourishing weekly treatment for dull, damaged, and frizzy hair. - For lasting smoothness, follow with ULTIMATE SMOOTH Miracle Oil Serum, which nourishes hair in 30 seconds and provides smoothness that lasts up to 3 days*. *Smoothness lasts up to 3 days when unwashed vs. untreated hair. **Features:** - Infused with a floral bouquet of jasmine, vanilla, bergamot, peach, and sandalwood for a delightful scent with every use. - For best results, pair with ULTIMATE SMOOTH Shampoo, ULTIMATE SMOOTH Conditioner, and Miracle Oil Serum. **Key Ingredients:** - Squalane and Omega-9 deeply nourish hair from within and replenish it from the outside.