My bathroom sink has been draining slower by the day, and plumbers are fully booked until after Christmas. What can I try first?

by ensuring you’re addressing the right issue.
2. Clear Out The Stopper: The Usual Hair And Soap Culprit
Bathroom sinks often have pop-up stoppers that catch hair and soap scum, which can quickly lead to a slow drain. To check this, remove the stopper from the sink. This may require unscrewing it or lifting it out, depending on the model. Once removed, clean off any visible hair or gunk that may have accumulated.
After cleaning the stopper, run water through the drain to see if the flow has improved. This