Knot Sealer for Lace units

nWalker Top-Loc Knot Sealer 4oznnTop-Loc Knot Sealer helps seal and protect the sensitive knots at the base of your hair replacement system. For less hair loss in the unit and longer durability keeping it in great condition!nDirectionsnnSpray on inside of mesh wig. Let dry to ensure seal. Apply hair system as you normally would.