Making your own laundry detergent at home is easier than you might think, and it’s a wonderful way to save money while knowing exactly what’s going into your family’s clothes. This simple recipe combines just a few natural ingredients to create an effective, gentle detergent that works beautifully in both standard and high-efficiency washing machines.
I’ve been making my own laundry detergent for years, and I can honestly say it’s one of my favorite DIY projects. Not only does it cost a fraction of what you’d spend on store-bought versions, but there’s something so satisfying about creating something so useful with your own hands. Plus, if you have sensitive skin or prefer to avoid harsh chemicals, this homemade version is the perfect solution.
This recipe makes a concentrated powder detergent that’s incredibly versatile. You can use it as-is for regular loads, or mix it with water to create a liquid version if you prefer. The beauty of homemade detergent is that you control the strength – use more for heavily soiled items or less for delicate fabrics. I love adding essential oils for a fresh scent, though the detergent works wonderfully unscented as well.
What I appreciate most about making my own detergent is how economical it is. A single batch costs just a few dollars and lasts for months of laundry. It’s also perfect for those with allergies or sensitivities to commercial detergent ingredients. Many of my friends with eczema or sensitive skin have switched to homemade detergent and never looked back.
The ingredients in this recipe are all natural, biodegradable, and safe for your entire household – including your septic system if you have one. Washing soda is a natural mineral that helps soften water and boost cleaning power, borax is a naturally occurring mineral with antimicrobial properties, and bar soap provides the actual cleaning action. Together, they create a powerhouse cleaning combination that rivals expensive commercial brands.
I recommend storing your finished detergent in glass jars with tight-fitting lids, which not only keeps it fresh but also looks beautiful in your laundry room. You can even decorate the jars with labels – it makes a lovely homemade gift for friends and family. One batch typically lasts a household of four several months, depending on how often you do laundry.
Before you start, I should mention that while all these ingredients are natural, they can be drying to skin, so wear gloves while mixing. Also, washing soda and borax aren’t the same as baking soda – don’t substitute them, as they won’t work the same way. You can find all three ingredients in the laundry aisle of most grocery stores, or order them online if you can’t locate them locally.
This recipe works wonderfully for everyday laundry, but I also want to share a few pro tips for getting the best results. For heavily soiled items, let them soak in water with a tablespoon of detergent for 30 minutes before washing. For whites, add a quarter cup of white vinegar to the rinse cycle for extra brightness. And if you want to boost the cleaning power for gym clothes or work wear, mix in a tablespoon of baking soda directly into the drum before adding your clothes.
Many people ask me if this detergent leaves residue or buildup on clothes, and I can confidently say it doesn’t. In fact, many users report that their clothes actually feel softer and look brighter after switching to homemade detergent. The key is using the right amount – you need far less than you would with commercial detergents because there are no fillers or unnecessary ingredients.
I also love that this recipe is completely customizable. Once you master the basic formula, you can experiment with different essential oil combinations for scent. Lavender is my go-to for a calming aroma, but lemon, eucalyptus, and peppermint are also wonderful choices. Just add 10-15 drops of essential oil per batch and mix thoroughly before storing.
If you’re new to DIY cleaning products, this is the perfect starting point. It’s simple, forgiving, and the results are genuinely impressive. Your family will love clean clothes, your budget will thank you, and you’ll feel great about using natural, eco-friendly products in your home. Let me walk you through the process step by step.
Ingredients
- 1 bar of pure castile soap or unscented bar soap (like Fels-Naptha or Dr. Bronner’s)
- 1 cup washing soda (sodium carbonate)
- 1/2 cup borax
- 1/2 cup baking soda
- 15-20 drops essential oil (optional, for scent)
- Large glass jars with lids for storage
Instructions
- Gather all your ingredients and tools. You’ll need a cheese grater or box grater, a large mixing bowl, a spoon or whisk, and measuring cups and spoons. Make sure your work area is clean and dry before beginning.
- Using a cheese grater, carefully grate the entire bar of soap into fine shreds. This will take about 5-10 minutes depending on the size of your bar. The finer you grate it, the better it will blend with the other ingredients, so take your time with this step.
- Pour the grated soap into your large mixing bowl. Break up any large clumps with the back of a spoon or your fingers, spreading the shreds out evenly across the bottom of the bowl.
- Measure out 1 cup of washing soda and add it to the bowl with the grated soap. Stir well to combine, using a spoon or whisk to break up any clumps that form.
- Add 1/2 cup of borax to the mixture and stir thoroughly. The mixture should be starting to look uniform at this point, though you may still see distinct particles.
- Measure 1/2 cup of baking soda and add it to the bowl. This ingredient helps brighten whites and adds extra cleaning power. Mix everything together very well.
- If you’re adding essential oil for fragrance, add 15-20 drops now and stir vigorously for 2-3 minutes. This distributes the oil evenly throughout the detergent so every scoop smells wonderful.
- Continue stirring the mixture for another 5 minutes to ensure all ingredients are evenly distributed. The detergent should have a uniform appearance with no visible clumps of any single ingredient.
- Using a funnel if you have one, carefully transfer the finished detergent into clean, dry glass jars with tight-fitting lids. You can make one large batch or divide it into several smaller jars.
- Label your jars with the contents and the date you made the batch. Include a note about how much to use per load – typically 1-2 tablespoons for standard loads and 2-3 tablespoons for large or heavily soiled loads.
- Store your homemade laundry detergent in a cool, dry place, away from moisture and humidity. Glass jars with tight lids will keep the detergent fresh for several months.
- To use, add the recommended amount to your washing machine drum before adding clothes. For high-efficiency machines, use the lower end of the range. For front-loaders, you can also dissolve the detergent in hot water first for better distribution.
- Optional: If you prefer a liquid detergent, mix equal parts of this powder with hot water in a bucket, stir well, and let it sit overnight. It will thicken into a gel consistency that works beautifully in any machine.
Pro Tips
- This recipe is completely natural and safe for sensitive skin – perfect for families with eczema or allergies
- One batch costs approximately $3-5 and makes enough detergent for 2-3 months of laundry for an average family
- Washing soda and borax are not the same as baking soda – they’re stronger minerals specifically designed for laundry
- You can find all ingredients in the laundry section of most grocery stores or order them online
- Wear gloves while mixing as these ingredients can be drying to skin
- The detergent works in all water temperatures and in both standard and high-efficiency machines
- For extra cleaning power on gym clothes or work wear, add a tablespoon of baking soda directly to the drum
- White vinegar added to the rinse cycle brightens whites and removes any residue
- This detergent is biodegradable and safe for septic systems
- You can customize the scent by adding different essential oils – lavender, lemon, and eucalyptus are popular choices
- Store in airtight glass containers away from moisture to maintain freshness
- For heavily soiled items, let them soak for 30 minutes before washing
- This recipe makes an excellent handmade gift for friends and family – just package it in a pretty jar with instructions
- The detergent may clump slightly if exposed to humidity, but it will still work perfectly – just break up clumps before using
- If you have very hard water, add an extra tablespoon of washing soda to each load
- This detergent is safe for use on all fabrics, including delicates – just use less for these items