How to moisturize your hair in two ways. First, you will need water to add moisture to the hair. And secondly, you will need the best moisturizing and the most nourishing length of attention butter to seal that moisture in. Part your hair into small sections, add water to your hair strands, then apply a small amount of the hair we grow length retention hair butter into your hands and massage the butter into your hair. Hands down, this is the most effective way to keep your hair strands moisturized for days.