What are my options for saline lip injections (temporary)?

My recommendation would be to consider a lip augmentation.  This can be done with off the shelf fillers such as Juvederm or using your own fat.  Juvederm has the benefit of being a relatively quick procedure with no down time, but has to be repeated every 3 to 6 months.  Fat...

Asymmetry of the face is a normal part of how our faces are supposed to look. Creating more symmetry to the face can help bring balance and harmony of the face.  A detailed in person analysis can help determine the cause of asymmetry including: Underlying skeletal imbalanceSoft tissue ...

Thank you for sharing your concern and photo. Hyaluronic acid fillers, such as Juvederm, Restylane or Restylane Silk would be good options for rejuvenating your lip and perioral area. Symmetry and proportions could be improved with these non-invasive procedures. Good luck!Dr. Harmych

There are many possible reasons for the asymmetry that you are describing. However, it is very difficult to give an accurate answer to this question without a physical exam. I would suggest consulting with a board-certified plastic surgeon or facial plastic surgeon. 

In general, suction devices are not great options for the face as they can create vascular issues as well as the likely temporary nature of the results.  The best treatment options for lips are hyaluronic acid based fillers for most patients and some patients using fat grafting.