OOPS mix of Marlins & Mermaids. This OOPS is a pink-tinted jelly topper with violet/blue/green UCC pigment, holo shifting microshreds & pink holo microglitters. The OG M&M is a turquoise-tinted jelly topper. They look identical over a black base, but you can def tell the difference over white.
Pics 1 & 3 are in direct sunlight. Pics 2 & 4 are in indirect sunlight.
Check out the listing for Marlins & Mermaids to see swatch pics of the OG polish on the nail.
I use high-quality & highly saturated pigments in my products, so staining is possible. It’s always advisable to apply a worthy base coat, especially under darker colored polishes.