All products may be washed with warm water and mild soap. However it is very important to apply.
Mineral oil anytime soap is used. Applying mineral oil and spraying Water will keep the wood moist, specially when it is humid and very dry. This will help prevent the wood from drying or cracking.
Most products will handle well outdoors as water is good for the wood. Please do not over expose to direct sun. Shade and cool spots are more suitable.