this post was submitted on 04 Feb 2024
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Woodworking
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Do not just go to the hardware store and buy linseed oil. It is not food safe cause it is just meant as a wood finish, and has additives to make it dry quickly. You can buy linseed (aka flaxseed) oil that is meant to be eaten, but I've only seen it in small bottles for a lot of money.
Mineral oil can be purchased from a pharmacy for very cheap; it's actually sold as a laxative if you intentionally consume a bunch of it. That is what any wooden spoons or cutting boards you buy would be treated with. Some people mix it with melted beeswax, which gives a nice finish. You can also just buy it premixed and sold as " butcher block conditioner". It's a little pricy, though, and I think it's easiest to just use the mineral oil
Boiled linseed oil is not food safe because it isn't actually boiled. The chemicals you're talking about are added to achieve the same change that boiling normally achieves, but it is a cheaper process so corporations lobbied for the right to called chemically treated linseed oil "boiled", even though it's objectively false.
It's a great example of a corporate conspiracy.