L’Anza Healing Smooth Thermal Defense Heat Protector Spray is a hot tool styling aid that protects your hair from heat damage while providing super holding power and outstanding shine. This Thermal Defense Spray is ideal for use with ceramic irons, curling tongs and blow drying, so you get the look you want that is defiant to humidity. It has a Lanza Hold Factor of 8 (super). Directions of Use:For blow drying - Hold 8 inches from your head Spray directly on your wet hair For Ceramic Irons - Spray on to your dry hair before using heat appliances Work in sections Allow your hair to cool Brush or separate with your fingers