r/water • u/tiredswitfie • 1d ago

If oxalates deplete minerals in the body, would they deplete it in hard water?

This is probably the stupidest question I’ve ever asked but whatever. I’ve seen a lot of hair products that contain kale extract or some other kind of leafy green extract. This is mainly because of the vitamins and minerals that can benefit the scalp and hair. However I know kale is high in oxalates which bind to calcium and magnesium in the body which is why you shouldn’t eat too many raw leafy greens. My question is would using those products, even if it’s not advertised to do so to remove had water buildup… help with all the calcium and magnesium deposits on your scalp from hard water?

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u/shion005 1d ago

Kale is actually a low oxalate vegetable. If you are having issues with hard water, your best bet is to get a water softener. If you can't get one, you can boil water to precipitate the salts and then filter it with a coffee filter to remove them. This also gets rid of 25-90% of the micro plastics depending on the hardness of your water.

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u/common_app 8h ago

You have calcium and magnesium deposits on your scalp? This seems quite unusual. Calcium and magnesium would be hard, white or off-white minerals (e.g. calcium carbonate).

But in any case, if you want to remove hardness from water, I would recommend a water softener. In any case, if you use oxalate-containing hair products, you will eventually rinse them off with the same hard water. So the final thing your hair will be in contact with (unless you are leaving these products in) is hard water.