| NO KNOTS ,NO LOOP   visible, it looks like the hair grow out from people's own scalp. It is very   natural  The base has two mono   layers. We knot hair on French lace or fine mono (bottom layer) first and   then pull  hair through the silk mono (top layer).  Thus the hair will look   to be injected, because the knots are covered by the top mono layer.  It need   professional work and take longer production time to knot. |