Does it really help you get longer hair in 3 months!? Lets find out. Over the next 3 months in the build up to her wedding day we will be monitoring how Kim is getting on using the Kerastase Extentioniste range. Once a month we will be measuring Kim's hair, taking photo's and assessing the condition. So far Kim says 'the shampoo! it really doesn't take much to cover the hair and when you rinse it off you can really feel its doing something to the scalp and my hair feels reall