How to make your own nail polish color by How to make your own nail polish colorStep 1: Get any color eyeshadow (whatever color you want for your nails) Step 2: Take your eyeshadow and crush it until there are no lumpsStep 3: Make a paper funnel and cut a small hole at the bottomStep 4: Take your funnel and insert the tip with the hole into the opening of the clear nail polish. Next, get your crushed eyeshadow and pour it into the funnelStep 5: Shake the bottle until the eyeshadow color is evenly distributed