Prep the nail and wipe with CND™ SCRUBFRESH™ to remove any excess moisture from the nail plate. Apply a then coat of CND™ SHELLAC™ Base Coat and cure. 

Use a striping brush to paint a wavy line starting at the side wall to the free edge in the shade Pink Bikini and cure. Depending on the style, paint the pink wavy line as thick as desired, this will be the middle shade in the rainbow. 

Using the same striping brush, paint a second wavy line to the side of Pink Bikini in the shade Wildfire and cure.

Continue to paint the rainbow using the shade Candied and cure.

Add the shade Studio White and cure.

Finish the rainbow with the shade Dreamcatcher and cure. Apply a second to coat to any shade that needs to be brighter and cure. 

Apply  CND™ SHELLAC™ Glitter Top Coat and cure. Wipe off inhibition layer with alcohol and finish manicure with CND™ SOLAROIL™.

Finished.