Tom Samuel’s advice: (and a board made by him, 1990s)
Boards that are in use should be washed with warm water with a washing-up pad and dried thoroughly before being put away. Never leave them sitting in water or put them in the dish-washer. Be careful not to leave them on the hob in case they get scorched by residual heat.
Display boards can have a thin coat of wax to feed them very occasionally. This should be followed by a lot of rubbing with a soft cloth. It is the rubbing that gives the sheen, too much wax will just make them sticky . The wax should be natural wax, not silicone or aerosol.
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