I had the same reaction when I saw them for sale, it was the first thing I sought out after coming here.
Though, I will say finding all the ingredients can be tricky. I've had to toy around with substitutions, but I've managed to put together a fair Wiggenweld Potion - without the Flobber Worm mucus sadly - and I've brewed a batch of Pepper-Ups. Truthfully I've had luck foraging in the public gardens too. There's some glorious Dittany about.
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Though, I will say finding all the ingredients can be tricky. I've had to toy around with substitutions, but I've managed to put together a fair Wiggenweld Potion - without the Flobber Worm mucus sadly - and I've brewed a batch of Pepper-Ups. Truthfully I've had luck foraging in the public gardens too. There's some glorious Dittany about.