The theory behind zero calorie or negative calorie foods is that they contain such a scant amount of calories that the energy you expend eating them cancels out their calories. In essence the bottom line is that you don’t take on any excess calories.
cocoa powder (depending in how tan you want to be.) + Any moisturizer + an empty bottle + mix it all together. Good for super light girls. So is this like a real tan? But I guess if you wanna be tan for a special occasion it could work