... hair tangling, longevity of the use(up to one year), and how well the hair shines.When the cuticle layer ... reflecting light, so that the hair shines. Q. How Much Hair Do I Need?A : If you are ... getting tangled? A: Your Hair Extensions can tangle due to being to dryness, oil & dirt build-up, salt-water, ... you and resolve the problem as soon as possible! How to wash the hair:a. Gently brush the hair from ...