Is it a soda or shampoo? Well, in this case it's the latter, now that you mention it. Available from Digital Soaps' online store in Mountain Dew, Pepsi and 7-Up flavors.
Continuing with the "soda that's not really soda" theme, here are some spy cams cleverly disguised as "pop" cans. More from the Chip Chick site. Who knew?