We always suggest keeping your hardwood timber well-oiled as treatment. This brings out its true deep colour and helps to protect the wood.
We do sell oil for our hardwood products here; https://www.tuin.co.uk/Decking-Oil.html however you can also find simialr products locally.
Please also see this article on how to care for your timber garden furniture.
Answers to most questions can also be found by typing into the search bar in the widget or our info center or please contact us to help you further with any questions you have.