One of the main keys to prolonging the lifespan of the beautiful look of your treated hair is to keep the shaft from drying. A good moisturising barrier will prolong the look and health of the hair. The best moisture for hair is actually water. To function properly, the body requires between one and seven litres of water per day to avoid dehydration. Internally a well-hydrated body means that there is sufficient moisture for hair function, externally it means that the hair can maintain elasticity and suppleness. Hair is porous and keeping this moisture in hair is next to impossible without sealing it in.the strandsand seals in the moisture that is already in the hair. So the key to avoiding dry hair is to hydrate and seal. These molecules are too large to be absorbed by the hair strand. Instead it coats Directions for use: Apply a small amount to your wet hair. Rinse. For an intensive conditioning, leave in for up to 5minutes before rinsing.