Will lip augmentation help the sides of mouth to not look downward and to make them look fuller? (Photos)

These fillers, (Restylane, Juvederm) are good to create a symmetrical and full lip. Implants or fat are alternative options. A combination of fillers and Botox can be used to lift the mouth corners in combination with ultherapy and radiofrequency treatments which can provide skin tightening and lift as well. See an expert. Best, Dr. Emer

It appears from your photos that you would be a good candidate for lip augmentation. Fillers like Juvederm Ultra plus in the lips and corners of your mouth will augment the lips and raise the corners of your mouth.  Be sure to consult with a board certified plastic surgeon or dermatologist. Good luck!

Thank you for sharing your question and photographs.  If not interested in a surgical solution I would advise you to pursue dermal filler placement into your cheek, jawline, and smile lines to achieve an improvement in the corners of your mouth.  Their current downward appearance is due more to cheek and skin sagging than loss of volume in your lips.  Hope this helps.