Hair is mostly made up of keratin. Our keratin protection formula helps: Bind existing split ends with one use, End split ends with continued use and Protect hair from damage and breakage How you get there: On damp hair: dispense 1-2 pumps into palm, rub hands together and apply to hair beginning at the ends, working upwards to mid shaft. Use more as necessary. Do not rinse off. Style hair as usual. On dry hair: use an additional pump daily to smooth and protect ends.