Joico Defy Damage Protective Shield is a powerful leave-in treatment that helps to protect hair against damage caused by heat styling, UV exposure, and environmental stressors. Infused with Joico's Smart Release Technology, this lightweight spray continuously releases nourishing ingredients to strengthen and repair hair from the inside out. It enhances color vibrancy, smooths the cuticle, and reduces breakage, leaving hair looking healthy, shiny, and resilient. Ideal for all hair types, it provides essential protection for maintaining hair integrity.