I've had the Laura Mercier Lip Stain in Sugar Violet (cool berry) for some time. Recently, I picked up three other stains in Mulberry, Scarlet, and Mocha:
What's awesome about these stains is that they behave like a balm and look like a stain. They're sort of a 'dry balm.' They go on with little to no shine, and (for me) work best when really worked in with your fingers. I find that they look the most natural when you use your fingers. When you use a brush, you don't get the same color payoff and longevity.
You can use them straight from the pot, with no priming or moisturizing required beforehand. It's really a genius product. I feel like you get the coverage of a stain without the commitment of a stain. These come right off a makeup remover wipe, with no residual staining.
You can find out more about Laura Mercier Lip Stains HERE.