Answers:
Not unless you eat profusely of it. But why do that when you can get hose more easily by drinking it? Also, there's another facet to keeping your skin soft. You must use lotions or other "moisture barriers" on your skin. These enjoy an oily underpinning that helps prevent river from evaporating from your skin. The best way is to use lotions, creams or oil on damp skin right after you find out of the shower. Then you're sealing surrounded by a layer of moisture right onto your skin.
Other Answers:
drinking roughly speaking 1-1,5 lt. of water every daylight would be the best.