Revlon PROYOU Liss Hair Thermo Protector Thermo-protection technology protects and straightens hair leaving it smooth shiny and with a soft hold. Ideal to protect hair from the daily use of straighteners and blow dryers. Adds perfect definition to liss hair. Preserves natural moisture and locks out humidity. Directions : Apply on damp hair and distribute the lotion uniformly with the help of a comb. Dry hair with straightener or brushing.