How to verbs mold stale wooden fanlight frame? The window frame is varnished wood I infer or treated. Can...

The window frame is varnished wood I infer or treated. Can anyone recommend natural products to use to take rid of mold stain on the wood? I don't want to resort to sanding the wood down or have to revarnish or anything.
Did you know removal ink on leather??
Answers:    Dettol, make a anti bacterial Mould and Mildew remover. I used it contained by my bathroom this morning. Worked wonders.
My sons poured gas on the garage floor...
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