this review title is: but i am already disappointed after use and the content is: so i decided to buy this after reading all the reviewer praising it but i am already disappointed after usereason being no instruction manual in boxso how am i suppose to use itdo we need to shampoo before or afterapply on wet or dry hairno information availablei will update my review once i find out how to use it and if this has any affect on my color damaged dry hair.there are other information for this review, one is this reviewer did purchase it and the other is 5 people think this review is helpful.