OBB Core Gel System: How to Use Base Coat, Extend Glue Gel, Builder and Top Coat
The OBB Core Gel System has four 15 ml bottles: Adhesive Base Coat, Adhesive Extend Glue Gel (for tips), Builder Clear Gel and Crystal Top Coat. OBB Gel says all four are HEMA-free and TPO-free, cure under a UV or LED lamp, and soak off. This guide sums …