Your ultimate straight styling partner, the Joico Smooth Cure Thermal Styling Protectant acts as an invisible heat shield. Make sure your straight styles are as sleek as possible with this hard-working formula, which safeguards your hair from the rigours of heat styling up to 450 degrees. Before reaching for your straighteners or curling w&, reach for this. An infusion of hydrolised keratin makes this an indispensible styling tool, activating immediately whenever it encounters heat. It protects against colour fade & environmental damage, Joico's exclusive formaldehyde-free Kera Shield Complex of keratin, brazil nut oil, & tucuma butter strengthens & provides frizz-free care for up to three days.