Ideal: For Expert Lash Masters Dry Time: .5 sec Retention: up to 8 weeks Viscosity: Thin Flexibility: Medium Great for Classic & Volume Lashes - This black adhesive has minimum fumes and vapors. Working Conditions Recommended temperature 66-77 degrees F (18-23 ° C) and humidity of 40-70% Shake well before every use. Shelf Life Glue should be opened within 6 months from production date. After opening, the shelf life of glue is 2 months. After this time, the glue begins to lose its properties and the adhesive strength decreases. Recommend While lashing use a fresh glue drop every 10 minutes for best results Storage After opening, store the adhesives in a thermo bag. This glue is only suitable for individual eyelashes extension