Multi-purpose protector. A multi-purpose conditioning spray to protect your hair against chemicals or heat, making it perfect o use before a color, forming or thermal styling treatment. Vital Nutrition Protein Spray also deeply moisturizes, adds shine and makes your hair easy to comb through — perfect for dry, damaged hair that’s prone to breaking. Simply mist it on, rinse (or don’t, if you feel your hair needs a prolonged moisture boost) and go about your day.