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All of the laundry soap brands listed below are considered to be natural and eco-friendly.

I also wanted to compare prices, because no matter how well something works, for most of us price is still a major deciding factor.

Below is a chart that compares 6 natural laundry soap brands:

  • Charlies Soap Laundry Powder
  • Country Save Laundry Powder
  • Earth Berries Soap Nuts
  • Nellie’s Laundry Soda
  • Rocking Green Classic Rock
  • Seventh Generation Laundry Liquid

The chart shows their prices when bought on various websites, or, through the natural foods co-op some people can buy from.

Price Comparison Chart

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Here’s the final price comparison, starting with the cheapest:

  1. Country Save10.6 cents per load
  2. Earth’s Berries Soap Nuts – 10-13 cents per load
  3. Charlie’s Soap17 cents per load
  4. Nellie’s Laundry Soda24 cents per load
  5. Seventh Generation Laundry 2x Liquid24 cents per load
  6. Rockin’ Green30 cents per load

We have compared based on their average size package, or the smallest packaging that I could find on each website.

It should also be noted that we based the per-load cost on the amount that would be used by a regular washer, not a HE washer. A HE washer uses only 1/2 the amount of soap, for most brands, though not all.

How to Save

Some of these brands do come in very large bulk

Charlie’s Soap has a huge bucket, and so does Nellie’s.

Seventh Generation can be bought in large cases on many sites (Amazon and Soap.com, for instance), or, in much bigger sizes from a co-op.

Country Save can be purchased in massive boxes and Earth’s Berries soap nuts can be bought in up to 300-400 wash packages.

Rockin’ Green does also have a 90/180 load size, which breaks down slightly cheaper.

How to Make Homemade Laundry Detergent

For those who are happy with DIY laundry soaps, none of these store bought laundry detergents beats the cost saving cost-per-load of potentially $0.03c when you make your own homemade laundry detergent!

Ingredients

Homemade laundry detergent ingredients on a table
  • 18 cups of water
  • 1 Dr. Bronner’s Peppermint Bar Soap, or Fels Naptha soap bar
  • 1 cup of Arm & Hammer Super Washing Soda (Baking Soda will not work – It must have sodium carbonate)
  • 1/2 cup of Borax
  • 3 gallons of hot water
  • 5 gallon bucket

Steps

Step 1 – Grate the Soap

Grate the Dr Bronner’s soap, or Fels Naptha soap, using a food processor or a hand grater. (Tip: This will help the soap dissolve quickly.)

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Step 2 – Simmer the Water

Bring 18 cups of water to a simmer.

Step 3 – Add Grated Soap to Water

Pour the grated soap and stir until it is dissolved.

Step 4 – Add Washing Soda

Add one cup of Arm & Hammer Super Washing Soda. (Tip: Must be sodium carbonate.)

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Step 5 – Add Borax

Add 1/2 cup of Borax and stir until it is completely dissolved.

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Step 6 – Add Gallons of Hot Water

Add 3 gallons of hot water to a 5 gallon bucket. Then pour your dissolved ingredients mixture into the bucket with the gallons of water and stir.

Step 7 – Let The Mixture Sit Overnight Before Use

Let it sit overnight and then it is all ready to be used.

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Cost

When using homemade laundry deterrent the cost per load can be as low as 0.03c.

Here is how to calculate the cost for 4 gallons of homemade laundry detergent.

  • 1 bar Fels Naptha at $1.29
  • 55 oz box Arm & Hammer Super Washing Soda at $2.75 (1 cup cost .40¢)
  • 76 oz box Borax at $3.79 (1/2 cup cost .20¢)
  • 4 gallons = 64 cups or 64 heavily soiled loads
  • Total cost per load = 0.03c

Summary

This review really just looked at a smattering of the brands that are out there, but I always find it so eye-opening to do this kind of detailed cost analysis and really see the numbers for myself!

We compared brands based on cleanliness of clothes, scent, ease of use, how clean they rinsed, how they worked for cloth diapers, and whether we would purchase them or not.