The answer is NO.
I searched for it and apparently there are a lot of answers. Time, Pressure, Carbon Dioxide, Water.. but SUPPOSEDLY (i read) that the answer is just simply "no".
I turn polar bears white
and I will make you cry.
I make guys have to pee
and girls comb their hair.
I make celebrities look stupid
and normal people look like celebrities.
I turn pancakes brown
and make your champane bubble.
If you sqeeze me, I'll pop.
If you look at me, you'll pop.
Can you guess the riddle?
So the ANSWER to the last line "Can you guess the riddle" is just simply "no".