IT’S ON! Pro Lash Adhesive + Secret 03 Feather cluster lashes A must-have add-on to your Secret cluster lashes. seconds drying time, so you no longer have to wait for the adhesive to get tacky before applying your false eyelashes. We made this adhesive extra strong, yet still gentle for your eyes. The waterproof formula isn’t scared of a bit of rain or wedding tears and is wearable for up to 3-5 days.