No, if they're good enough quality.
The 'Mood Ring' may stay a certain color for some time, but it should adjust back to the color is was initially.
- No and I know for a fact that is will still work because it has no electricity in it and I go in the pool with mine on all the time.
well i think yes because i got in the shower with mine and it does not change colors any more BELIVE ME !!!!!!!!