Cupcake Polish is available internationally at these fine retailers:

Color4Nails - United States
Harlow & Co - Canada
Hypnotic Polish - The Netherlands
Femme Fetale - Australia
Live.Love.Polish - United States
Loja S.O.S Esmalt√≥latras - Brazil
Nailland - Hungary
Nail Polish Freak Shop - France
Polishinail - Romania
Rainbow Connection - United Kingdom