This high tech TIGI S-Factor Iron Spray works as thermal protectant. It provides a soft shine with a healthy finish while styling with a flat iron & also protects from daily UV rays. The special formula of Vitamins A&E nourishes & conditions the hair while acting as antioxidants to protect the hair from environmental damage. Your hair will look absolutely smooth & healthy. How to use: Use on wet hair to protect from heat damage caused by blow-drying & heated appliances.