If you want a colourless and fast-drying option, use WOODCARE.GUIDE Paraffin Oil. It is a food grade and completely odourless protection agent. The product is not flammable or hazardous to health. It is a good treatment product for sauna benches, kitchen wood, cutting boards, etc. but the treatment does not last too long.
If you want a long-lasting and the most natural option, use WOODCARE.GUIDE Pure Linseed Oil. It protects the wood against grime, moisture and drying out. The treatment lasts 5-6 times longer than Paraffin Oil but takes more time to dry (up to 2 weeks) and the result is a bit yellowish, especially when used on light-coloured wood. The product is food & toy safe. Note that Pure Linseed Oil is flammable. Be sure to follow the instructions for use and disposal on the product label.
If you want a more advanced product that is long-lasting, durable and comes with several colour options, use WOODCARE.GUIDE Natural Worktop Wax Oil. This product has the best resistance against typical liquid spills, etc. It gives the wood a translucent surface with silky gloss. The product is food & toy safe. Note that Natural Worktop Wax Oil is flammable. Be sure to follow the instructions for use and disposal on the product label.