if starting fresh:
put your powder in alcohol and heat until it dissolves, you may have to boil it. stir it the whole time, stir it while it cools.
if your shit is crashed just heat it until it clears then thin it out a bit.
some compound just don't hold well, some times it helps to add glycerin and make it a suspension, it will be thicker and more even adding the glycerin.
you can usually buy it locally in the drug store or like a craft store.