I started these nails off by using two blue polishes using the 'bag dab' / saran wrap / cling film method which was very effective but then I used L'Oreal's Confetti top coat over the top which made the base not show up so it was a waste of effort!
Perumbra - Blue
Models Own - True Blue
L'Oreal - Confetti Top Coat
Perumbra - Blue
Models Own - True Blue
L'Oreal - Confetti Top Coat