But we haven't even gotten to the fun part: The other half of Lip Pop's magic is the fact that the formula reacts to the pH of your lips to leave behind a bespoke pink stain on your lips; a few swipes gets you a just-bitten effect, but you can layer it on (as Lee did, during our meeting) to a more saturated hue. That said, I prefer to wear Lip Pop as a primer for my favorite MLBB lipstick, since it makes rough patches and dryness a thing of the past. That is, until I refill my spiked BKR bottle ...