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My goal of this heading isn’t to give you an exact recipe, but to break down the common ingredients in homemade laundry soaps.

Most homemade laundry ‘detergents’ are made up of water softeners like baking soda, washing soda, and borax and a cleaning agent which is typically a grated bar of soap.

The goal of the water softener is to… you guessed it! Soften the water. You might have heard the terms hard water and soft water which has to do with the level of minerals like calcium and magnesium in the water.

The most common water softeners used in homemade laundry soap borax and washing soda, but they’re marketed as laundry BOOSTERS because they are meant to aid a detergent not replace one.

If you have really hard water, like I do in California, using a homemade laundry soap is even worse because the high levels of calcium and magnesium make it almost impossible for the soap to wash free from the textiles.

While the laundry boosters help some, its not an appropriate replacement for detergent.

DIY laundry ‘detergent’ can RUIN your clothing:

When you’re using homemade laundry soap you can ruin your clothing. I know this from personal experience, but lets take a little bit deeper look into why.

That’s happening to your clothes, and worse… your washing machine which we’ll address in the next heading.

Every time you wash your clothing soap build up buries itself inside of the textiles. This build up can create a water repelling effect which might be why your reusable towels aren’t super great at absorbing water, but can also leave an oily residue behind.

When soap accumulates in your clothing it will actually attract and trap dirt in your textiles. It quite literally makes your clothing DIRTY the exact opposite thing you want from a laundry detergent…

How Does Laundry Detergent Affect the Environment?

When we dump a capful of concentrated cleaning detergent into our laundry machine, we don’t really think much of it, especially not in an environmental sense. After all, as far as most of us are concerned, something as common and innocuous as laundry detergent couldn’t possibly be bad for the planet. Some brands even make a point to say so! Unfortunately, like so many man-made chemical inventions, detergent is far from completely harmless.

What are laundry detergents made from?

Instead, laundry detergent is added to dirty laundry, where it does its job “lifting stains” and “preserving colors” before getting washed out, diluted, and sent down the drain with the wastewater from your washing machine. Unfortunately, the chemicals in these detergents can have a far-reaching environmental impact.

What are the environmental effects of detergents?

Detergents can contain several chemical compounds that have negative environmental effects. Phosphate-containing laundry or dish detergents can react adversely when they finally reach the water table. The nitrogen in these detergents reacts with phosphorus in the water, creating nutrients that stimulate the growth of algae in freshwater. According to Lenntech, a company from the Netherlands, this type of algae uses up the oxygen in the water in a process called eutrophication. Over time, this slowly depletes the oxygen in a body of water, ruining the ecosystem.

Other detergents contain surfactants, or surface-active agents, which are chemicals that reduce the surface tension of oil and water. For the detergent, these surfactants help dirt to “lift off” and stay out of clothing. The problem is, they also happen to be highly toxic to aquatic life. According to the U.S. Environmental Protection Agency (EPA), surfactants break down the mucus layer that coats fish, protecting them from parasites and bacteria.

They also reduce the surface tension of water, making it easier for waterways to absorb pollutants and pesticides. Heck, they don’t even break down well or dilute. Instead, surfactants only breakdown further into more toxic byproducts.