Well just the fact that it looks like a french word, though it is in fact a newly coined English word (beau[ty+u]sage) is problematic.
I like pronouncing it like "massage." Bew-saj.
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*Recipient of the 2006 Time Magazine "Person Of The Year" Award*
Commence to jigglin’ huh?!?!
"But hey, always love to hear from opinionated amateurs." -says some guy to Mr. Marshall.