The Beard
Interpreters believe that a fully white beard in a dream may indicate facing what the dreamer dislikes regarding their reputation and standing among people, while some black remaining in it suggests dignity. An excessively long beard may symbolize debt or significant worry, while a shorter, lighter beard indicates debt repayment and the removal of worries, provided it does not disfigure its appearance. Shaving or plucking the beard is interpreted as losing status and prestige among people, though shaving is considered easier than plucking.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam