Vinegar: The Key to Whiter Whites and Softer Towels (But Most People Use It Wrong). Here’s the Right Way.

as sweat, grass, wine, and coffee.

To pre-treat stains:

Mix equal parts distilled white vinegar and water.
Apply the solution directly to the stain and allow it to sit for 10 to 15 minutes.
Blot gently with a clean cloth, then launder as usual.

Note that vinegar is not suitable for all stains or fabrics—avoid use on delicate silks and some dyes that may react poorly to acid.

5. Mildew elimination

Mildew growth on fabrics, especially towels and bathroom linens, occurs in damp environments and can cause musty odors and discoloration.