First put warm water in a basin, add neutral detergent to make it completely dissolve, then fold the bath towel and put it in the basin, and step on it several times with your feet. Apply detergent to the oily area, scrub gently, let the water drip off, and then rinse with warm water. When wringing dry, you can roll the folded bath towel inward into a cylindrical shape, and squeeze it until it dries.
Before processing with a dehydrator, roll up the bath towels. If you want to make the washed bath towel feel swollen and loose, you can use a fabric softener to treat it.
If the bath towel is not cleaned, or if it is used for a long time, it will cause bacteria to multiply and cause the bath towel to produce peculiar smell. According to the introduction of home textile experts, personal bath towels should be replaced regularly, and should not exceed 3 months at most. If the bath towel becomes hard, you can add 30 grams of soda ash or a suitable softener to 1.5 kilograms of water and cook for 10 minutes.