Finding the right lash glue can make a huge difference in the longevity and appearance of your eyelash extensions. From my experience, the key is to match the glue's drying speed with your application style. For instance, faster drying glues are perfect for quick applications, allowing lashes to set instantly without smudging. On the other hand, slower drying formulas give more flexibility for precision placement but require more patience. Another critical factor I look for is waterproof and oil-resistant properties. These features ensure that your lash extensions will stay intact even if you sweat, get caught in the rain, or use oil-based makeup products. My favorite glues guarantee at least 3 weeks of wear with some lasting beyond 6 weeks, which is impressive and ensures clients don't have to rush back for touch-ups. Shipping speed is also a plus for me; having a supplier who ships on the same day means I can maintain a steady stock and never run out. When using these glues, it's important to store them in a cool, dry place to preserve their effectiveness. Overall, investing in quality lash glue not only improves retention but also protects the natural lashes. If you're a lash artist or a beauty enthusiast, definitely consider glues with instant stick qualities and strong retention for the best results. Happy lashing!