Entity Dip & Buff System #3 – Activator, 15 mL | 0.5 fl oz – 5301002 Entity Dip & Buff System #3 – Activator, 15 mL | 0.5 fl oz – 5301002Activator will help speed the drying process by increasing the polymerization rate as well as reducing any possible discoloration or yellowing to the bare minimum.Activator will also help give flexibility to the finished coating reducing any brittleness, and with top coat will achieve a clear glass like finish.