Use this powder for the shinning mirror effect for your nails The chrome powder must work with many other product. Not only the UV lamp, but also the base gel, the black nail polish and Top Coat Gel etc Chromium powder is available in different colors, suitable for home and nail studio You can also use them to decorate your home, cell phone's case, glasses, made card, body art, etc Easy application. Super shiny, flexible, last long until 2-3 weeks Suitable for professional use or home use Attention:UV/LED lamp, UV base gel and UV gel color needed to achieve chrome nails ♥Instructions: 1.paint black nail polish and cure under lamp 2.apply UV top coat(other top coat cannot get mirror effect) and cure under lamp 3.use eyeshadow stick to pick powder and apply it onto the nails.repeat the step until yo're satisfied with the effect 4.Clean the remaining chrome powder with a powder brush 5.Coat Top Coat Gel / Sealing Gel (The last step in gel), dry ♥Kindly reminder: 1.The nail art colour effect will be different on different Base Colour. (The effect of black base colour is better.) 2.Only UV top coat can get mirror effect ♥What You Get: 8 * nail powder and 8 * dual head sponge eyeshadow applicators