How to Keep Clothes Soft When Line Drying (No Crunchy Towels)

If you’ve ever pulled stiff towels or crunchy jeans off the clothesline, you know the struggle. I love line drying for the savings, the fresh air scent, and the simplicity—but I don’t love the rough, scratchy feeling it can leave behind.

Over the years, I’ve figured out how to keep clothes soft when line drying without relying on store-bought fabric softeners. I’ve tested a lot of different small changes to my wash routine, like adding vinegar to the wash, to see what works. If you’re trying to get that soft, fluffy feel (especially for towels!) while still air drying your laundry, I’ll show you what I use and how I reduce the sandpaper feeling in towels and clothes.

Related: How to Make Reusable Lavender Dryer Bags

Why Do Clothes Get Crunchy When Line Drying?

Before fixing the problem, it helps to understand why it happens.

When clothes dry on a line, the fibers stiffen as water evaporates. In a dryer, tumbling keeps fibers moving and separated, which prevents that stiffness. Outside on a line, there’s no movement, so fabrics dry rigid instead of soft. You may notice that the crunchiness is less noticeable on a windy day, when the towels are whipping all over the place.

Hard water, detergent buildup, and overloading the wash can all make it worse. Those leave behind residue that increases the fabric stiffness.

My Best Tips to Keep Clothes Soft When Line Drying

1. Don’t Use Too Much Detergent

This was a big one for me. Using too much detergent leaves residue in your clothes, which makes them feel stiff once they dry. I actually use less than the recommended amount, especially for lightly soiled loads. If your towels feel crunchy no matter what, try cutting your detergent in half for a few loads and see what happens.

If you have hard water, use a water softening product or a detergent formulated for hard water. This will prevent mineral buildup on your fabrics. Hard water makes it difficult for the washer to rinse all the detergent out.

2. Use the Right Detergent

If you use a store-bought detergent, consider using one labeled free and clear because they contain fewer fillers and brighteners that may stiffen fabrics. Detergents with heavy optical brighteners and excessive fragrances also leave a film that feels rough after air drying.

I make our detergent using washing soda, baking soda, borax, and Fels-Naptha soap, but it is a hotly debated topic. Some state that their HE washers were damaged by homemade detergent.

3. Add Vinegar to the Rinse Cycle

White vinegar is one of my favorite natural laundry hacks; it’s a simple, inexpensive softener. It helps break down detergent buildup and softens fabric naturally—without leaving any smell behind once clothes are dry. The mild acidity of white vinegar dissolves the soap residue and mineral buildup that makes clothes stiff.

Adding 1/4 to 1/2 cup of white vinegar to the rinse cycle neutralizes detergent residues and dissolves mineral deposits, leaving fabrics softer without scent when fully rinsed and dried outdoors.

Don’t worry; the vinegar smell dissipates during drying. Your clothes won’t smell terrible; you won’t even be able to tell.

Baking soda can help too; I dissolve 1/4 cup in the wash to balance pH and boost detergent performance. Baking soda conditions water and neutralizes odors; you might know that because many people keep baking soda in their fridge to reduce lingering scents. However, you should avoid combining vinegar and baking soda in the same step of the wash. Baking soda and vinegar react and neutralize each other.

4. Shake Out Each Item Before Hanging

This sounds simple, but it makes a noticeable difference. Perhaps you remember your mom or grandma snapping clothes before hanging them up. It wasn’t for show nor an odd habit. I give each piece of clothing a shake or a good snap before hanging it on my clothesline. This loosens the fibers and prevents them from drying too stiffly.

For shirts and blouses, I smooth the seams and align the collars with my hands before clipping them to the line to maintain shape. For pants and skirts, I hold the waistband and shake down toward the hems so gravity helps straighten the panels.

5. Avoid Overcrowding the Line

When clothes are too close together, they dry more slowly and tend to stiffen more. Providing more space between each item allows the air to circulate freely. They will dry faster and prevent fabrics from getting that board-like feel. Try leaving at least 2-3 inches so the air circulates on all sides to speed drying.

Sometimes, I allow items to overlap to save on clothespins. Overlapping fabrics trap moisture and create hard-to-smooth areas. I also put the clothespins near the seams or hems rather than the shoulders to avoid stretching my clothes.

6. Toss Clothes in the Dryer for 5–10 Minutes

This is my “best of both worlds” trick. If you don’t mind using the dryer, then toss your towels or clothes into the dryer for 5-10 minutes on low heat or air fluff. This softens everything up without using much electricity.

This works the best for:

• Towels
• Jeans
• Sweatshirts

There are ways to create extra softness when tumbling for a short time. I use wool dryer balls, but if you don’t have dryer balls, you can use clean tennis balls.

7. Skip Fabric Softener (It Can Backfire)

It seems counterintuitive, but traditional fabric softeners can actually make towels worse over time. They coat fibers, reducing absorbency and sometimes causing buildup that leads to stiffness.

I use liquid fabric conditioner sparingly and only when softness is needed. A small amount in the final rinse helps lubricate fibers, reducing stiffness once the garment dries on the line. For typical loads, I cut the recommended dose by about half and evaluate the results.

Many people use fabric softener on towels because it reduces absorbency. It’s best used for sheets and clothing where softness matters more than absorbency.

However, I prefer to stick with vinegar; it softens fabrics without the extra residue.

8. Choose the Right Time to Line Dry

Weather plays a bigger role than I expected. Environmental influences change how your clothes feel. Moisture and direct sunlight change the fabric’s texture.

• Windy days = softer clothes (natural movement helps!)
• Still, hot days = more stiffness
• Slightly humid days = softer results

If I can, I aim for a breezy day—it makes a big difference. Humidity slows evaporation, keeping clothes damp longer and increasing stiffness as fibers dry more slowly. Wind helps by moving moist air away from the fabric surface; even a gentle breeze makes cotton and linen feel softer than in still air.

I limit direct sun on colored and delicate fabrics because UV and heat can make fibers brittle, fade dyes, and increase surface roughness. For whites and heavily soiled items, brief sun exposure helps with natural bleaching and sanitizing, but I remove them before they become overly dry or crispy.