What happens when you mix nail polish lemon juice and soy sauce?

Mixing these ingredients will not result in a meaningful or useful reaction. There is no chemical reaction that occurs between nail polish, lemon juice, and soy sauce. Nail polish is a type of lacquer and is generally composed of polymers, pigments, and solvents. Lemon juice is acidic and soy sauce is a fermented sauce containing water, salt, soybeans, and wheat. Mixing these ingredients may result in a messy mixture and will likely not produce any significant effects.