Acetone is a product that evaporates quickly, so you must do this quickly. Rub the surface to remove all remaining silicone.
Vinegar not only kills mould but also penetrates deep into the silicone sealant, ensuring all traces are removed without resorting to harsher chemical products ... in the removal of soap scum ...
Mould can be very difficult to remove from silicone sealant but there is a natural product that can do the job in 10 minutes ...