No it's not. It's a simile.
A rhino is a unicorn with no wings. Sorry, not that good.
The commercial is using a metaphor. It is comparing dry skin to a desert to emphasize the extent of the dryness and make a vivid connection for the audience.
Its a metaphor
it is neither, it is personification
metaphor
Implied metaphor is when it gives you the metaphor but doesn't tell what the subject is. A regular metaphor tells you the subject of it.
Metaphor
What is a metaphor???Answer: To keep the cows in!!!!Metaphor~ meadow for??get it??? LOL
Metaphor
An explicit metaphor is a metaphor that is fully explained in great detail. Unlike an implicit metaphor, which the meaning has to be implied.
A metaphor