Easy DIY Liquid Laundry Soap

Easy DIY Liquid Laundry Soap

After successfully creating many of my own beauty products, I decided it was time to try making my own laundry detergent. After all,  friends were raving about it and I knew I could save a lot of money. With a new baby on the way, every bit helps. I’m so glad I did it. Not only do I have detergent for the rest of the year, I only spent $24.49 and 20 minutes of my time, plus I had fun doing it.

What you’ll need:

  • 1 Cup Borax
  • 1 Cup Arm & Hammer Washing Soda
  • A bar of Castile Soap
  • Plus a five-gallon bucket for mixing
  • Water


I found all of these ingredients at my local grocery store. If you’re like me, you’ve probably never seen them because you have never looked for them but they’re there. I was surprised too.

How to do it:

Step 1: Grate your bar of Castile soap. I just used my cheese grater.


This is what it looks like after grating.


Mine bit me but I’m pretty sure that was operator error. Be careful.


Step 2: Put the grated soap in a pot with 4 cups of water and heat on low until the soap melts. Don’t let it boil. Once all the soap is completely melted, add the washing soda and borax and stir until dissolved. Remove from heat.



Step 3: Fill the 5 gallon bucket half way with hot tap water. Add soap mixture and stir it up. Then continue to fill the bucket with hot tap water until it’s full. Leave a little room at the top. Stir, cover, and let sit overnight.


This is what it will look like after it sits overnight. It will be liquidy and gel-like at the same time. Don’t worry, you did it right.


Step 4: Stir and fill a used but clean laundry soap dispenser half full with your new soap and then fill the rest of the way with tap water. Shake before each use (will gel).

Optional: You can add essential oil for fragrance if you want after detergent has cooled. I think lavender or lemon would be nice but feel free to get creative.

How to use it:

Yield: 10 gallons (no kidding)

Top load machine – 5/8 cup per load (approximately 180 loads or 14 cents per load)

Front load machine – ¼ cup per load (approximately 640 loads or 4 cents per load)

In the end: 

Cost of supplies…………..$24.49

My time…………………….20 minutes

Loads of laundry …………640

Cost per load……………….4 cents

Knowing that I don’t have to buy detergent for more than a year or worry about the chemicals in them………..PRICELESS

I hope you have fun with this recipe. Let me know how it goes in the comments below. If you liked this blog and you want more, sign up for my free bi-monthly updates.

Why Cut the Crap? – True radiant health comes from a mixture of healthy diet and lifestyle choices. The cost of our fast-paced and convenient life is chemical toxins in and around us.  Ridding your home and family of chemical toxins that make you sick and drag you down doesn’t have to be hard or time consuming. In this series, you’ll learn the most efficient and easy ways to “cut the crap” so you can just enjoy your life.


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Filed under Clean Living Tips, Cut the Crap Series - 10 Fast and Easy Ways to Clean Up Your Lifestyle, DIY Household Cleaners

2 responses to “Easy DIY Liquid Laundry Soap

  1. Debbie

    I may try this recipe. When I grate the castile soap, I use my food processor with the grater attachment to make it quicker and easier (it’s just soap – it melts and washes right off). I’m wondering, though, if it might work to use liquid castile soap instead since you are actually melting this into a liquid / gel anyway??

    • Hi Debbie:

      I asked the same question. I was told that it doesn’t gel right if you use the liquid version. Great idea about the food processor. I’ll definitely do that next year when I need more.

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