KeraCare Silken Seal (Blow Drying) will protect your hair from thermal damage, whilst sealing the cuticles to prevent moisture loss. Lightweight and non-oily, it also contains sunscreens to shield your hair from the sun’s damaging UV rays. Not only will it help prevent your hair from getting damaged, this multi-tasking spray will also improve bounce and body, whilst enhancing your hair with a lustrous, glossy shine that exudes vitality. - L.M. Directions for Use: For blow-drying: Spray evenly onto freshly shampooed, conditioned and towel-blotted hair. Spray 6-8 inches from your hair. Blow dry as usual. As a spray sheen: Apply to your finished style for additional shine as needed.