Ionic and cationic hydration interlink technology. CHI 44 Ceramic thermal styling helps strengthen and protect the hair from daily use of thermal tools. Protects against wind, moisture, and humidity. This extra firm, quick-drying hair spray uses ionic and cationic interlink technology to protect hair against daily thermal tool use while creating full-bodied, long-lasting styling looks. The lightweight, buildup-free formula includes positively charged silk molecules that work with hair's natural structure to boost resilience and strength while enhancing moisture and shine.