When expires it changes it’s consistency. Do not use, you can irritate the skin.
If changes color or smell, must be discarded. The fluid can “shred”.
It’s not longer good when it thickens. Therefore it is better not forget it opened.
Get rid of it as soon as it changes color or cures!
There are valid long, because they do not contain water and have few fat substances.
The box is more exposed than the tube. Throw them immediately changes color and consistency!
Because alcohol is kept for a long time (if kept away from heat, light and is kept in the original box)