LashLeen Obsidian Adhesive is a formula made for moderate to high humidity and retaining the best retention all around. No more retention issues, with the fastest and more effective dry times yet of 0.5-1 second, helping reduce your lash time. Perfect for beginner, intermmediate and novice lash technicians.
 
Ideal in humidity of 40-60% with temperature between 67-70 °F. Optimal humidity levels recommended are 45-57%. 
 
7 Week Retention
Color - Black
Viscosity - Medium
Fumes - Low 
Shelf life of 12+ months. 
5ml Bottle
 
Dry Times with RH%
20-40% 1-2 Second Dry time
40-60% 0.5-1 Second
65%+ INSTANT (Not recommended)