Crest Pro-Health Rinse is a mouthwash created and sold by the Procter & Gamble Co. It is advertised as an alternative to the industry-leading mouthwashes, Listerine and Scope. Pro-Health Rinse has been a top seller despite some reports that its key ingredient can stain teeth.
Pro-Health Rinse is often recognized for what's not in it rather than what's in it. It's one of the few commercial mouthwashes without alcohol, which is a key ingredient in most other brands. The burn that many consumers feel from other mouthwashes is not present with Pro-Health Rinse because there is no alcohol. The product's one active listed ingredient is cetylpyridinium chloride, which kills bacteria.
Cetylpyridinium chloride, or CPC, is an antiseptic ammonium compound found in small amounts in many common mouthwashes, toothpastes and other various oral-cleaning products. In lab studies CPC has been shown effective at reducing gingivitis and preventing plaque. However, according to some consumer complaints and WebMD, CPC can stain teeth. Consumers should discuss the matter with their dentist or an oral surgeon before deciding which product to use. CPC makes up 0.07 percent of Pro-Health Rinse.
According to Crest, inactive ingredients in Crest Pro-Health Rinse "may include, but are not limited to, water, glycerin, flavor, poloxamer 407, sodium saccharin, methyl paraben, propyl paraben, propolyne glycol, blue 1, yellow 6, and green 3." As with most liquid products, water is the primary ingredient, with ingredients listed in order of proportion.
Glycerin and Poloxamer
Glycerin (or glycerol/glycerine) is found in many pharmaceutical products. Glycerin is often sweet-tasting in products such as mouthwash and is included largely for flavor purposes, counteracting the water and several other ingredients. Poloxamer 407 is a hydrophilic (water-bonding or dissolving) compound often used in common products such as contact solution and mouthwash. It is included to dissolve compounds that otherwise would not dissolve in water.
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