44yr, female, deep lines around mouth, on both sides, started couple of years ago, and worsening, deepening. (photos)

Considering hyaluronic acid fillers as it was recommended by others. 1- I would first like someone to look at my pictures. Based on on the lines, if I am a good candidate? Sorry bad pictures, I had to take them myself and crop to protect my identity. 2- I would also appreciate if someone could tell me how severe this is, deep, or mild? normal for my age? 3- and how often one needs an injection, if one wants to keep doing this to keep looking the same over the years? Thanks very much!

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