If you live in a place with hard water, your clothes are fighting a losing battle. The minerals are relentless.
This is why towels in hotels feel amazing. They probably have a water softener system. You can get a cheap water-testing kit to check.
If your water is hard, double down on the vinegar rinse. Also, use half the detergent you normally do. Less soap means less residue.
The Final Touch: Patience
Softness is not a one-time miracle. It’s a lifestyle. It’s about treating your fabric like a lazy cat.
Don't yank it out of the washer. Unroll it gently. Shake it out before drying. Fibers hold grudges.
Give your clothes a little shake. Let them breathe. You are basically telling them, “I respect your fluffiness.”