The Top One™ Hair Straightening Intro Set includes Nutri Protein, Cleansing Shampoo, and Smoothing Conditioner (200ml each) — perfect for professional salons looking to experience the Hyalugen straightening system. Powered by advanced Hyalugen Technology with Collagen, Hyaluronic Acid, Argan, Grape Seed, Coconut, and Sunflower Oils, this system smooths, hydrates, and strengthens hair while delivering sleek, long-lasting results. Ideal starter kit for salons wanting to test and offer professional hair straightening services.