Say hello to thicker hair with Nanogen Fibres Medium Brown (15g). The 100% pure keratin fibres bind with your own hair to create a full and dense appearance, whilst remaining natural looking. Formulated with patented technology, it ensures 400% stronger binding and dipolar charged fibres for optimal thickening. Dematologically tested, the fibres can be used on a daily basis to keep your hair looking healthy. Directions of Use: Simply shake the fibres from the container, concentrating on areas of thinning. Allow the fibres to bind to your hair. Easily washed out. Enough fibres for one month of use.