Use Vinegar or Baking Soda
Avoid fabric softeners. They usually contain silicon, which makes towels less absorbent so they don't wash well. Instead, use half a cup of vinegar or baking soda with your towels. Add this to your regular washing detergent.
Baking soda or vinegar will do the trick. BAKING SODA: Adding baking soda to your towel wash helps remove soap and chemical residue that can end up covering your towels. Add half a cup of baking soda with your washing detergent, then wash as usual.
Wash your towels in warm water or hot water -- not scalding -- with one cup of white distilled vinegar. This will strip towels of any built-up residue and help restore absorbency. DON'T USE DETERGENT, only white vinegar. Run the load a second time using only a half-cup of baking soda.
The expert-recommended way to soften towels that have become scratchy is to use vinegar. 'Throw a cup of white vinegar in your next wash,' advises textiles expert and CEO of New Sega Home, Brian Delp. The towels have likely become stiff and scratchy because of the use of fabric softener.
Having too many towels in your washer at once means there won't be enough room to rinse out all the dirt and detergent. Overloading the dryer is also bad news; without enough air to properly fluff the fabric, you'll wind up with stiff, matted towels.
Add Distilled White Vinegar and Wash as Usual
Instead, add two cups of distilled white vinegar to the washer drum. The vinegar will help strip away the residue left in the towels that is causing them to feel stiff.
Add half-a-cup of baking soda to the detergent compartment, once again leaving out any actual detergent or softener. Then run a standard cycle with your towels as mentioned in step one and let the baking soda work its magic.
Soak your stinky towels in a bucket of white, distilled vinegar for 30 minutes to overnight with a tablespoon of detergent to help loosen body soils. Vinegar contains acetic acid that breaks up mineral deposits and dissolves the build-up of body soils on your towels.
Use fabric softener according to directions, but add it only every three or four washes. Waxy buildup from softeners can deteriorate the towel fibers over time and reduce their absorbency. No one wants a towel that's not fluffy, so be careful when using fabric softener with towels.
Before going further, we have to warn you: adding vinegar or baking soda to the wash along with your laundry detergent increases the risk of poorer cleaning performance, as detergents are optimized for a specific pH level, which is altered by the presence of these two household additives in the wash.
If your towels are very stiff and scratchy, try adding around 250ml of vinegar to a wash along with your laundry liquid. Add it to the washing machine drum just before you load and set the cycle going, don't worry, it won't make your washing smell like a bag of chips.
Fabric softeners actually have oils and other ingredients that make towels less absorbent. Instead, pour a cup of distilled white vinegar into the fabric softener compartment, which softens the towels and kills bacteria. Don't use detergent for this load.
The Kitchen Concoction: Baking Soda & Vinegar
With a few items found in your kitchen pantry, you can mix up your own natural fabric softener. All you need is water, baking soda and vinegar, plus a few drops of essential oils if you'd like it scented. Stir until mixed and add in one-part vinegar (ex: one-half cup).
1. Soften Towels. Soak non-absorbent bath towels overnight in a bucket of warm water with half a cup of Epsom salts. The next day, wring out and tumble dry for soft-as-new towels.
A small amount of water bound to the surface of the towel acts like glue to hold the cotton fibers together. (Inside Science) -- The stiff, crunchy feel of an air-dried cotton towel is caused by a small amount of residual water “gluing” the fibers together, new research shows.
Vinegar is a laundry workhorse superstar! Use 1/4 cup of distilled white vinegar in the fabric softener compartment of your machine – it softens towels and helps removes bacteria, a much better option than coating said towels with synthetic chemicals.
Towels should be washed in the warmest water appropriate for the fabric according to the care label. Generally, warm or hot water is recommended for washing towels. Use a cycle specifically for towels or a normal/regular cycle.