Towels may sometimes still look dirty or dingy even after washing them in a washing machine due to various factors.
It's pretty irritating, so you need to find a problem to fix it.
Here are some common reasons why this might happen:
Over time, towels can accumulate detergent residue, fabric softener, and mineral deposits from hard water.
This buildup can trap dirt and prevent the towels from getting spotless during each wash cycle.
Using too little detergent can result in incomplete cleaning, leaving behind stains and dirt on the towels.
Overstuffing the washing machine with too many towels can reduce the effectiveness of the cleaning process.
The towels may not have enough space to move freely and get adequately cleaned.
If your home has hard water (water with a high mineral content), it can interfere with the detergent's effectiveness, leaving soap residue on the towels and making them look dirty.
Fabric softeners can leave a coating on towels that can trap dirt and reduce absorbency, leading to towels that appear dirty or feel less soft.
Washing towels with other colored fabrics, especially those prone to bleeding dye, can lead to color transfer and make the towels appear stained or dirty.