I, too, have seen the ads for them. @SilleeMee I haven't seen the brow gel you mention. In general, long-lasting lipsticks/stains are drying. If you add an emollient on top, it messes up the long-wear characteristic. Not sure if it's the same for this, but I'm guessing it would be. I've had decent luck with the layering method I use. I do find it intriguing if it would actually work and not be drying, but am thinking it's just a fad.