Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to soften towels [title] Wash towels with warm or hot water. [step] Warmer water absorbs detergent better, which means that less soap residue is left caked onto the fabric. Furthermore, hot water can help dissolve oils that are left over from hygiene products and skin.

Ending1: [substeps] Make sure that you wash from the neck up: most people have previously washed their towel with vinegar or baking soda, but this does not protect the towel from stain (light stains), grease, etc. [title] Lay your towel out flat on a table. Ending2: [substeps] Be aware that brightly-colored towels may fade with repeated hot-water washing. If you don't care about fading, then proceed to wash with hot water. Ending3: [title] Try using skim or salt water. [step] Since water sanitizes fabrics more strongly, it is a good option for situations where you want to minimize dirtiness and to help reduce acidity. Ending4: [substeps] Read the instructions on the packaging of your towels before washing them at home. Never place wet towels in the dryer.

Answer format: ending1/ending2/ending3/ending4