Enjoy smooth, frizz-free, salon-like hair with TRESemmé Keratin Smooth Anti-Frizz Hair Serum. Infused with keratin and nourishing oils, this lightweight, non-greasy serum helps control frizz, tame flyaways, and add a healthy, glossy shine. It leaves hair soft, silky, and easy to manage while protecting against humidity and reducing the appearance of dryness. Suitable for all hair types, it can be used on damp or dry hair for a sleek, smooth finish every day.