I used Bluesky gel polish N25 for the pink nails.
For the butterflies I used same pink polish, N34 and D47.
Then just outlined the butterflies with black acrylic paint.
And here is the same design made with french and neon pigments ->
For the french I used Bluesky SR45. The pigments are from Mack`s Professional.
And here they are a month after ->