My current trendy varnish, powder varnish, which is applied by dipping the fingers in the powder. It would last longer without flaking and would come off more easily. It almost seems like a miracle, right? Keep reading! Metallic varnish remains very trendy. I prefer the silver, but the gold is beautiful too. Although the black, purple and deep blue gradients remain my favorites. Indeed, dark colors have more textures and depth.