How often: Every 3–4 months.

Why: Bristles wear down and harbor bacteria over time.

Pro tip: Store upright and allow to air dry between uses.

4. Bathroom Towels & Washcloths

How often: Towels every 3–4 uses; washcloths after each use.

Why: Damp fabric breeds bacteria and mildew.

Pro tip: Hang towels to dry fully between uses.

5. Cell Phones & Electronics

How often: Daily or every other day.

Why: Phones are a hotspot for germs and touchscreens collect dirt.

Pro tip: Wipe with alcohol-based disinfectant wipes; avoid soaking electronics.

6. Bed Sheets & Pillowcases