When you take a bath, put cold water in the tub and then hot water. This will extend the life of the tub, and there won’t be a lot of moisture, which can prevent mold growth.
When choosing wall tiles, choose tiles with a larger area that are easy to finish.
Remove the shower head and soak it in a bowl of vinegar. After 1 hour, use a toothbrush to remove obstructions.
Wipe off any hairspray on the mirror with a rag dipped in alcohol.