HEATED.DEFENSE by Kevin Murphy is a weightless, invisible leave-in foam that shields hair from heat damage caused by styling tools. It offers protection up to 232°C (450°F), making it suitable for all hair types. The formula contains hydrolyzed quinoa to strengthen hair and organic jojoba and castor oils to maintain moisture and smoothness. This product helps reduce damage while conditioning and soothing hair, creating a protective barrier with essential moisturizing agents.