Thank you for your question. I routinely use Restylane, Restylane Silk, Juvederm Ultra, Volbella and now Restylane Refyne in the lips.Restylane Silk and Volbella work great to address fine lines and create more of a lip-gloss or silky appearance to the lips.I use the others to create a fuller appearance to the lips. Juvederm and Refyne is also great to be used in areas of high motion (lips included). Thus if the same syringe is being used for more than one area, then that may drive product selection. Restylane is a great one for lips. It's particle size still allows for a supple feel, but it is probably a little stiffer than the others.I would state, however, that much more important than which of these products you use, is the experience level of the injector. I do a lot of trainings on behalf of Galderma (makers of the Restylane family of injectables) and Allergan (makers of the Juvederm, Volbella family of injectables) and know first hand how much of the results is dependent on skills and experience. I would recommend that you go to an experienced injector in your area.