Sodium Lauryl Sulfate This is the detergent part of the toothpaste, the stuff that makes most of the lather when you brush (it shows up in shampoo for the same reason). It has a strange side effect, though: It desensitizes the taste buds that register sweetness. That's why orange juice tastes so awful right after you brush your teeth - your tongue is picking up only the sour and bitter flavors. As the amount in your mouth diminishes after brushing, your taste buds return to normal.
This is also doubled by the sodium saccharine which also overloads your sweetness sense. Try anything where you go from eating something very sweet to very bitter/sour and it usually doesn't taste pleasant.
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Sodium Lauryl Sulfate
This is the detergent part of the toothpaste, the stuff that makes most of the lather when you brush (it shows up in shampoo for the same reason). It has a strange side effect, though: It desensitizes the taste buds that register sweetness. That's why orange juice tastes so awful right after you brush your teeth - your tongue is picking up only the sour and bitter flavors. As the amount in your mouth diminishes after brushing, your taste buds return to normal.
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http://www.wired.com/science/discoveries/magazine/15-10/st_colgate
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Tasted fine.
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