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I recommend Listerine Total Care Plus!
This is a product I recommend for those who think Garlic is really, really weak and the other colored Listerine is a bit weak, but want to use a really strong mouthwash. If you use this first, you might be surprised by how strong it is. I recommend this to people like me who used other products, got used to them, and now think, "Okay, I need something even spicier, haha." If you want something a bit weaker, try the white-capped version of the same purple line; it's a slightly milder "Mild" product!