How to Make Laundry Soap (Liquid or Powder Recipe)

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Liquid or Powder Natural Laundry Detergent
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Making your own natural, homemade laundry detergent is one of the easiest parts of a transition to natural living. This natural laundry soap recipe a great way to save money on laundry detergent and is incredibly easy to make. This homemade laundry detergent post is an updated version of this recipe that addresses high efficiency washers and borax safety.

Why Switch to Natural Laundry Soap?

Conventional laundry detergent is loaded with chemicals like sulfates, fragrances, phenols and more. Many brands contain things like petroleum distillates, which are linked to cancer and lung disease. Fragrances in these detergents are made of a mix of harmful chemicals. (This is also why I make my own linen spray.)

Luckily, making your own laundry soap is an easy and fast process! You only need three basic ingredients to make either a powdered or liquid laundry soap:

DIY Laundry Soap Ingredients

  • Washing Soda (Arm and Hammer Brand available at most stores)Borax Powder
  • Borax (20 Mule Team Borax available at most grocery stores)
  • Bar Soap (Dr. Bronner’s,  Ivory, or other natural, unscented bar soap)

Washing Soda and Borax should be available at your local grocery store on the laundry aisle. Natural bar soaps are in the health, beauty, or organic sections of the store, or online. You can also add a couple tablespoons of baking soda to help freshen clothes.

Wonder What’s in These Ingredients?

Borax is a naturally occurring mineral made up of sodium, boron, oxygen, and water. It is an ingredient in most of the natural soaps available now (Seventh Generation, etc.) but it is much more inexpensive to make yourself. There are some concerns about the safety of Borax, but here’s why I feel comfortable using it, especially for laundry.

Washing Soda

Washing Soda, sometimes called sodium carbonate or soda ash, is made from common salt and limestone or found as natural deposits. If you can’t find this locally, you can make your own from plain baking soda with this tutorial. Here are some other great household uses for washing soda.

Dr. Bronner’s soaps are fair trade and made with vegetable castile soap and pure organic oils.

Liquid or Powder Natural Laundry Detergent
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4.10 from 66 votes

Natural Laundry Soap Recipe

This homemade laundry detergent recipe is easy and very inexpensive to make, plus you avoid the chemicals of conventional detergents.
Prep Time15 minutes
Total Time15 minutes
Yield: 2.5 cups
Author: Katie Wells

Materials

  • 1 bar soap (such as Dr. Bronner’s Pure Castile Bar Soap or homemade coconut oil soap)
  • 1 cup washing soda
  • 1 cup borax

Instructions

  • Grate the bar of soap or chop it in a food processor until finely ground.
  • In a large bowl, mix together the grated soap, washing soda, and borax.
  • Store in a sealed container.
  • To use: add 2 tablespoons to ¼ cup of soap per load of laundry.

Notes

See below for instructions on making a liquid version of this laundry soap.
Homemade liquid laundry soap recipe

How to Make Liquid Laundry Soap

  1. Grate one bar of soap with cheese grater or food processor.
  2. Put grated soap in pan with 2 quarts water and gradually heat, stirring constantly until soap is completely dissolved.
  3. Put 4.5 gallons of really hot tap water in a 5-gallon bucket (available for free in bakeries at grocery stores, just ask them) and stir in 2 cups of borax and 2 cups of Washing Soda until completely dissolved.
  4. Pour soap mixture from pan into 5-gallon bucket. Stir well.
  5. Cover and leave overnight.
  6. Shake or stir until smooth and pour into gallon jugs or other containers.
  7. Use 1/2 to 1 cup per load.

These recipes are also a great way to save money on laundry. By my calculations, I am saving over half on my laundry bill by switching

A Note About Soap vs. Detergent

All Natural Laundry Soap Recipes - two ways

As mentioned above, there is chemically a difference between soap and detergent. The advantage of conventional laundry detergents is that they are formulated to work specifically in washing machine environments. Many soaps are designed for skin and are not as strong. Some sources suggest that over time, natural soaps can leave buildup in washers.

I’ve found that while this recipe works well for me, it isn’t suitable for all water types and washer types. If you’ve used natural laundry soap and experienced clothes getting dingy, this may be the reason.

I’ve found one natural detergent that works brilliantly and can be used alone or in combination with homemade laundry soaps like this one. I often add 2-3 Tablespoons of Dr. Bronners Sal Suds per load as a natural detergent. Sal Suds gets out tough stains and odors and is still a natural product (though technically a detergent/surfactant and not a soap).

Don’t Want to Make it?

Homemade Natural Effective Laundry Soap Recipe

We usually make our own detergent, but for times when we are traveling or I haven’t had time to make it, I’ve found a few good brands of eco friendly laundry detergent that actually work (all received an “A” by the Environmental Working Group):

  • My Green Fills Laundry Detergent – Just a warning… after you try this laundry soap, you may be ruined for DIY forever. This is the best smelling non-toxic laundry detergent I’ve tried and it works well on tough stains and dirt. Similar to my favorite all-purpose cleaner, a huge bonus is their eco-friendly approach. The detergent comes concentrated in a small refill packet (hence the name) which you add to warm water in the provided bottle. Super smart!
  • 2 tablespoons Sal Suds + 1/4 cup Baking Soda or Washing Soda (highly effective and super simple!)
  • Ecover Zero Laundry Detergent– Works well, relatively cost effective and low/no risk of developmental or reproductive toxicity and cancer according to the EWG.
  • Emma Eco Me Detergent – Also rated well by the EWG and cleans up to 64  loads for $12. Good scents.
  • Planet Natural Detergent –  Relatively eco-friendly and cost effective at $9 for 32 loads.

Obviously, the most frugal option is to make your own, but these natural alternatives are a good choice if you aren’t able to make your own or don’t want to.

Have you tried making your own laundry detergent? What ingredients did you use?

This homemade laundry detergent recipe is easy and very inexpensive to make, plus you avoid the chemicals of conventional detergents.
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Katie Wells Avatar

About Katie Wells

Katie Wells, CTNC, MCHC, Founder of Wellness Mama and Co-founder of Wellnesse, has a background in research, journalism, and nutrition. As a mom of six, she turned to research and took health into her own hands to find answers to her health problems. WellnessMama.com is the culmination of her thousands of hours of research and all posts are medically reviewed and verified by the Wellness Mama research team. Katie is also the author of the bestselling books The Wellness Mama Cookbook and The Wellness Mama 5-Step Lifestyle Detox.

Comments

906 responses to “How to Make Laundry Soap (Liquid or Powder Recipe)”

  1. Sarah Lott Avatar
    Sarah Lott

    I’ve read that natural soaps containing saponified soap (such as Dr. Bronner’s) react with hard water and leave soap scum. I’ve previously had issues with soap scum with homemade dishwasher detergent with Dr. Bronner’s (although that may have been from the vinegar that the recipe called for). Has anyone had any experience using this detergent with hard water?

    Thanks,
    Sarah

  2. Andrea McCready Avatar
    Andrea McCready

    Can the liquid det. be left in the bucket for storage or does it have to be transferred? I’m undecided whether to attempt the powdered or liquid…

    1. Jaimie Avatar

      Hi Andrea! I keep my stored in my bucket and just use a measuring spoon to scoop it out each wash. Hope that helps!

  3. Lesia Avatar

    Thank you so much for the recipe! I just made my detergent, but haven’t tried yet. It looks like Seventh Generation detergent, except it doesn’t have a thickness of it. I hope it will work well too! I made a liquid detergent, but since I didn’t have any big buckets, I recalculated everything for a gallon and a half of liquid and filled up my empty Seventh Generation detergent container.

  4. Renee Braddick Avatar
    Renee Braddick

    Why do you use so much less washing powder and borax in the liquid recipe than in the powder recipe?

  5. Ralph Avatar

    Hi Katie, I have made CP soap in the past but it does not lather enough to be likable, rather feels a bit oily. I have never used borax or washing soda before, would any of the two help with achieving a better lather from my soap? and if yes, do I add it to the lye water before the lye or after, or do I add it to the mix when almost tracing, in it’s powder form or mixed with water?

    : )

  6. Jessica Irene Tieman Avatar
    Jessica Irene Tieman

    Wellness Mama – you are a stellar human being for having the patience to answer each person who asked about the HE washers…

  7. kristina Avatar
    kristina

    what is the consistency of the soap suppose to be once you are done…mine came out super thick

    1. Wellness Mama Avatar
      Wellness Mama

      Have you stirred it really well? Sometimes it can gel at the top… It will be somewhat thick though…

  8. Tom Horn Avatar
    Tom Horn

    Now we’re getting somewhere . Looks like an easy mix. I mighty add if will probable help to have a water filtration system to get all the contaminates out of the water or you’re just adding them to the mix when you wash.

  9. Shannen Lee Avatar
    Shannen Lee

    I’ve seen a couple people ask if it is safe for cloth diapers,, I don’t see why if wouldn’t be, however I’d like to confirm it is alright, thanks! Bless _/|_

    1. Wellness Mama Avatar
      Wellness Mama

      It should be fine, but it will depend some on the type of water you have if there will be build up or not…

  10. Anne Liebroder Avatar
    Anne Liebroder

    Why would you tell us your costs for products, that Amazon is more expensive and leave links to Amazon…like the information however, thanks!

    1. Mandie Jean Wright Avatar
      Mandie Jean Wright

      I took away that pricing is listed to explain how cost effective it is, Amazon links are for convenience if you don’t want to search for it in the store or can’t find something in your local store (and/or so you know exactly what you’re looking for in the store), but a warning that Amazon is more expensive to suggest hunting in the store first.

  11. Korsen Roxy Avatar
    Korsen Roxy

    I was wondering if you have tried adding oxi clean and baking soda to the liquid detergent? I’ve been making my own already. But was wondering if its been tried before thanks.

  12. nicolle colvin Avatar
    nicolle colvin

    Should you avoid glycerin in the bar soap to make your detergent?

  13. Brenda De Los Santos Avatar
    Brenda De Los Santos

    Hi, I LOVE your blog and all of your DIY body and cleaning recipes! Question, I made this today at my sisters request (the powder), and now I’m looking through all of the comments and am sort of worried about the amount of soap I used…. I did everything by weight, which I’ve gotten accustomed to doing for lip balms, lotion bars, etc…. I used ivory soap since that’s what my sister wanted… Does this mean I have WAY too much soap?

    1. Wellness Mama Avatar
      Wellness Mama

      You might, but you could easily add more of the other ingredients to balance it out…

  14. Andrea Meyer Avatar
    Andrea Meyer

    Hi! Do you have a recipe for the stain solution we see in the picture above? I did a search but didn’t see. Also, do you not use fabric softener (liquid or sheets)? I’m guessing no but not sure if you have a replacement. Thanks!

  15. Christie Avatar
    Christie

    I have a question… I’ve been making the detergent and adding loads of essential oils for the smell but it never stays after the wash. Help! I love making the detergent but husband wants the clothes to smell smell… Amy ideas?

    1. Tiffany Terry Avatar
      Tiffany Terry

      Hi. I don’t add the oils to the detergent mixture, but adding 5-10 drops of whatever oil directly to the washer when a load is in leaves my clothes smelling great.

  16. Sterling Jaquith Avatar
    Sterling Jaquith

    I have the liquid bronner’s soap. Can I use that instead of grating the bar?

    1. Wellness Mama Avatar
      Wellness Mama

      Yet, but I would reduce the water by half and use 2x the liquid…

  17. Lottie Chaney Avatar
    Lottie Chaney

    I did try the powder a long time ago and found that the clothes were nowhere near as clean than with conventional. but i really want to start using homemade again as my 8 month old daughter has terrible eczema and is very very sensitive to pretty much everything including washing powder/liquids.

    Any ideas for adding extra stain remover to this recipe?? xxx

  18. Amy Chastain Avatar
    Amy Chastain

    Not so sure about the Borax though…have read it is really not that good for you.

  19. Sarah Avatar

    I’ve been using the liquid recipe for a couple of months, and I was wondering if there was anyway to make the clothes smell “clean.” They don’t smell like anything (which is good!) but I would just like for them to have a good smell. I have tried using Fels Naptha, Dr. Bronners, Tom’s, and Dial. I also tried putting vinegar and lavender oil in a Downy Ball but that didn’t work either…

4.10 from 66 votes (62 ratings without comment)

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