Sent to you by redcliff via Google Reader:
via The Beauty Brains by Right Brain on 1/2/11
Laurie longs to know…Why does Ivory soap float?
The Right Brain Responds:
Your question reminds us of that old joke: How do you make Ivory soap float? Take two scoops of ice cream and add a bar of Ivory soap. Ha!
But seriously, for years Ivory has built it's reputation on the tagline "so pure it floats." The reality is, it has less to do with purity and everything to do with air bubbles. Ivory has a whipped texture that traps air; the air makes the soap less dense than water so it floats.
The Ivory website has some interesting background on the product if you want to learn more. It's good clean fun. (Get it?)
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