Of all the cosmetic procedures available to patients right now, lip fillers are consistently near the top in terms of popularity and name recognition. Lip lifts and lip flips are just two of the alternative procedures for lips, and both are becoming more popular as filler mania ebbs and flows with the current plastic surgery trends.

We spoke with two leading plastic surgeons to learn more about who is the best candidate for these types of procedures, the pros and cons of each, and how long they will last, aka the relative bang for your buck.