Slip solution for the use of extension gel 
& is an essential tool to use when working with this due to its high viscosity- this helps as a thinner so it can be easier to manoeuvre.
This won’t cure or harden your extension gel only UV/LED lamp will cure it
How to use 
•Add extension gel to the surface of the nail that you are working with
•Apply the solution onto your Brush by using a small dish & dipping it into the slip solution
•Use the wet  brush to mould and work the extension gel
•Be sure to keep the brush constantly wet to avoid sticking and use light strokes 
The damp brush will make the extension gel nice and smooth allowing you to easily maneuver and mould the Extension gel