How do I reduce facial redness following erysipelas?

I am suffering from facial redness following a skin infection (erysipelas). My dermatologist told me that this would take six weeks to go, but four months later it is still incredibly red. I was initially told to use Demol 500 but now I am back using my Guerlain super aqua range. My skin does not feel dry. I realise that at 59 my skin will take longer to heal, but how can I speed up the process.

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