First Tip:

Before applying glitter polish on nails put the polish brush on a paper towel and let it absorb the clear base for about five seconds then start applying the glitter on your nails.

you can do it another way:

Second Tip:

First, apply glitter polish on a paper towel and let it set for about five seconds, then you have to pick it up with the brush and apply the glitter gradient effect on your nails.

What happened in both cases that the paper absorbs the clear base. As a result that glitter is much easier to apply, allowing you better control the placement of the particles.
This brilliance technique applies to all kind of glitter gradients, and it works wonders anytime you need a dense layer of glitter.

Here Is Final Look!