What it is: Prepare and protect your hair from heat based styling tools with this shampoo that gently cleans the hair,while protecting the hair"s scales and getting the hair strand ready for heat styling. What it does: Hydrolyzed keratin: proteins similar to the hair?s own that strengthen the hair from within. Sulfate-free surfactants: clean hair and help to keep it straight for longer. What else you need to know: With moisture repelling effect.