Pro Hair Labs New Demension Front-Loc Liquid Adhesive is a copolymer, water-based, extended-wear liquid adhesive that goes on white but dries clear. It can be used on lace and poly perimeters on lace and monofilament bases, but should only be applied to the scalp when used with lace bases. It provides a hold time of up to four weeks. 1.3-ounce squeeze bottle. Note: It is recommended to refrain from strenuous activities for 36 hours after applying this product, as it may affect the bond.