Bobby wrote:
Is it OK to use vegetable (cooking) oil on hardwood furniture instead of
teak oil?

Rub in a bit of "boiled linseed oil" to the cleaned furniture. Wipe
off with clean rag. Do not use it for a day or two. Burn the rag
when you've used it if it's hot weather, or bag it up in leakproof
bags and bin it.