100% Japanese A class heat-resisting fibres high quality kanekalon fibre, well blending with your own hair, which looks like real human hair .Just like your own hair, synthetic hair will accumulate residue through normal wear. The fiber should be washed as infrequently as possible or when you notice that the fiber appears dull. You can wash them after 4-6 wears. Before shampooing, gently remove any tangles or teasing with your fingers or a pick comb. Pick the hair from the ends and work your way up. Wash with cold water. Add a dash of shampoo and wash gently. Rinse thoroughly in warm water, again working from the top down. Never twist, wring, squeeze your hair extension, allow it to air dry. Do not use curling irons, blow dryers, or hot styling instruments.