I read in a chemistry journal that the whitening strips people use on their teeth soften their enamel to the hardness of the dentin underneath -- in just one treatment! People are freegin' fools ...Let's put a 6th blade on the ole razor and see what it does, eh?
Looks like we've got some engineers/tech-geeks in the group!
Yeah, the whole cosmetics thing is just insane. Power to the people, if they want to pay for it.....