A medium-speed black adhesive for trained lash professionals working with classic or handmade volume extensions. Lashmer Ultra Bond dries in 2–4 seconds and has a thin viscosity with low fumes and reduced clumping.Verified features 2–4 second drying time Black adhesive Thin viscosity Low-fume formulation Suitable for classic and volume extensions 5ml bottle How to use Professional use only; do not self-apply. Work at 21–25°C and 50–65% humidity. Shake for 30–60 seconds before dispensing. Use a fresh adhesive drop every 15–20 minutes. Keep the nozzle clean with a lint-free wipe. Storage and care Store upright in a suitable adhesive container. Use within 4–6 weeks after opening. Do not refrigerate after opening. Safety: For trained professional use only. Keep away from skin and eyes and follow the product label and workplace safety procedures. Explore more: LASHMER range.