"Syoss Heat Protect Spray is the professional hairstyling for perfectly protected hair. It protects against heat damage and makes your hair smooth and shiny. Syoss developed with and tested by hairdressers, strengthens the hair for Salon - beautiful hair, every day. With Thermo-Heat Protection, protects up to 100C - For ultimate style control, reduces lint up to 24 hours long How to use: Spray on the individual dry hair strands and use the straightener. Or spray evenly on damp hair and then dry blow dry before using the straightener. "