What it is: The second of a two-part system that makes Pro Lash so unique. What it does: When paired with the pre-applied adhesive on Pro Lash lashes, Pro Lock makes application easy and helps the lashes last up to 10+ days. Pro lock instantly snaps lashes into place and the lashes are movable until crimped into place which activates our pressure sensitive Pro Lock for up to 10+ days. The Pro Lock adhesive system makes application easy. This adhesive pairs with the pre-applied adhesive on Pro Lash to snap lashes into place instantly. The adhesive allows movement that lets your lashes grow naturally without any breakage. Lashes that last up to 10+ days. How to use: Apply underneath your lashes like mascara. Work in the adhesive using a side to side motion, paying special attention to the base of your lashes. Apply evenly and brush out any clumps. The more Pro Lock you apply, the better your retention will be. Apply the lash segments (sold separately). Once comfortably placed, crimp with tweezers to activate the pressure sensitive adhesive. 0.15 oz. Phthalate-free; sulfate-free; silicone-free; fragrance-free Imported