Buy these 4 in 1 Nail Powder Chrome Pigments to give your Nails a Perfect Metallic Looks. Use the Eye Shadow Applicator to apply them. Chrome Baby, Chrome! Nail Powders in 4 colors that make your nails brighter than your future. Best Application over a Gel Top Coat. Can also be used over Regular Polish if you are willing to experiment and in this case, it works best with a water-based topcoat.Â