Sorry, it MIGHT be a bit too hard. I wanted to choose something that wouldn't be too easy to guess or Google, but maybe I got a bit carried away
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Ok, more clues. I'm a manufactured substance made from a natural product. Here in Australia, at least, you can buy me from particular stores and even many supermarkets. If my name is typed into Google, 796,000 results are listed, so I'm not TOO obscure, (I hope).