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

Considering hyaluronic acid fillers as it was recommended by others. 1 I would also appreciate if someone could tell me how severe this is, deep, or mild? normal for my age? 2- 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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