Olha Vorodyukhina, BDS

The line above the lip can be improved if very small amount of soft type of HA filler placed perpediculary to the line ( just above vermilion border ) . Please make sure you find experienced practitioner to get a good results

Your lips don't look bad .However you have very prominent white part of vermilion border . It would be nice to see before picture than it is possible to determine is that is too much filler placed in vermilion or natural anatomy of your lips.
Lips filler like any fillers can be disolved if Haylouronic Acid been used .

It is absolutely safe to do teeth whetening before your lip filler appointment . Please make sure you use a profesional services for both treatments. Dentist for teeth whitening and medical aesthetics practioner for lip fillers

Ellanse in hands can help with skin quality and give subtle volume . To reduce pgmentation , skin peels can be a right solution .

Injection of Profhilo can help imorove skin quality and add hydration to the skin . It is also available in topical cream that you can use at home between in clinic treatments