This brazilian knots hair extensions technique is fast becoming known as the best natural way of applying hair extensions around the world the process takes between 4 6 hours depending on how full you want your hair extensions no bulkiness no shedding this method uses no adhesives glues or heat the hair does not have to be pre bonded which makes it easier to get the volume right with no damage to your own hair the thickness of the strands are matched with the clients hair texture so if