Protect and smooth your hair with Nanoplex Arginina™ Heat Protectant Liquid Serum 90ml. This professional salon-grade thermal serum shields hair from heat styling damage while enhancing smoothness and shine. Its lightweight, non-greasy formula creates a protective barrier against flat irons and blow dryers to help prevent breakage and split ends. It also seals in moisture, reduces frizz, and boosts the results of Nanoplex Arginina straightening treatments. Perfect for achieving sleek, straight, and healthy-looking hair with long-lasting shine.