Credit: Brie Goldman, Prop Stylist: Breanna Ghazali Key Takeaways Opt for a homemade vinegar-water solution and a microfiber cloth for streak-free, eco-friendly mirror cleaning. Avoid circular motions and use an S-pattern from top to bottom for spotless mirrors. Address hard water stains with a DIY baking soda paste for a sparkling, residue-free finish. Cleaning mirrors seems simple enough—until you’re left with streaks, smudges, or lint that won’t go away.