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Deliberate Toothpaste Test
- Charles describes purposely drinking orange juice right after brushing his teeth to test the effect.
- He framed the experiment as a deliberate, methodical choice to see the flavor clash firsthand.
Flavor Is A Multi-Sensory Mix
- Flavor combines sweet, salty, bitter, sour and umami plus smell and texture to create taste.
- Josh and Charles emphasize smell and taste work together and science still lacks full explanations.
How SLS Alters Taste Receptors
- Sodium lauryl sulfate (SLS) in toothpaste is a surfactant that foams during brushing.
- SLS suppresses sweet receptors and enhances bitter ones by disrupting phospholipid coverings on taste receptors.