This revolutionary game changer product is long-lasting, 100% water resistant and sweat proof, quick and easy to apply in only a few minutes and ultra thin with a skin-like feel. The 2 in 1 LACE GRID & KNOTS CONCEALER is designed to hide the grids and knots of your lace wigs, frontals or closure giving a flawless illusion of real scalp. This product is enriched with essential oils and all natural ingredients. The benefits are endless...NO bleaching knots - leading to premature shedding and over-bleaching damages which shortens the life of your wig. NO wig caps, NO plucking, NO tinting or blending foundation on your lace as the perfect line eraser has a more natural, longer lasting look and after its applied doesn't rub away. One application last through 3 or more shampoos with cool water. This is a MUST HAVE !!! 😉