Oil Choices for Oil Pulling

I saw the following choices of oil at a Whole Foods store:

1. Hain 100% Expeller pressed sunflower oil - Vitamin E added to enhance freshness; best for general cooking; its neutral flavor makes it excellent for light sauteing, sauces and salads; use this oil over medium heat. (It doesn't say if it's refined or not.)

2. Hain 100% Expeller pressed sunflower oil - Refined, for high heat cooking.

3. Spectrum 100% Expeller pressed sesame oil - organic, unrefined.

Will any of these choices be fine for oil pulling? I thought #3 might be best but it's expensive so I bought #1. Is #1 OK? Does the oil have to be organic?

Your help is greatly appreciated. Thanks! :)
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