DIY Dish Soap Bar Recipe: Zero Waste Dish Soap (2024)

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What’s In Your Dish Soap? I Know What’s In My DIY Dish Soap Bar!!

Do you know what’s in your dish soap? I love knowing what’s in my zero-waste DIY dish soap bar! But it hasn’t always been that way.

Washing dishes is one of those jobs that literally never ends, similar to washing the laundry. Yet, I can bulk my laundry washing into just a few hours 3 days a week. Whereas the dishes need to be washed every day. And not just once but multiple times a day. As soon you catch up on the dishes, another meal must be made, served, and cleaned up.

This was really prevalent during our shelter-in orders to protect our health and the lives of others. With all the restaurants closed to dining and living in the country – delivery is near nonexistent, and pickup orders mean driving in town.

So, you can imagine, we cooked more meals at home than ever before. Which, of course, meant there was an incredible amount of dishes to be washed!

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DIY Dish Soap Bar Recipe: Zero Waste Dish Soap (1)

No matter the challenge, I strived to keep things simple. Creating DIY zero waste cleaners is one of many ways I simplify our daily routines. Despite the fact that I cringe every time I face buying yet another plastic bottle.

Do you ever feel that way?

I learned to make my homemade dishwasher detergent last year successfully, but I don’t like to throw everything in the dishwasher and hope for the best. We have several wooden spoons, bowls, and platters. In addition to handmade mugs and vintage glassware. All of which is best to hand wash.So, having an all-natural dish soap that works is essential in our household!

Yet, every liquid dish soap recipe I tried seemed to be lacking something. So when I came across this solid dish soap bar at my local natural food store – I was intrigued, to say the least.

I’ve been making homemade soap for years but never thought of making a DIY dish soap bar. If swapping out your plastic bottle of dish soap has been on your mind, too, you’re in for a surprise! This solid dish soap bar recipe makes 2 eco-friendly dish soap bars, and each can last up to six months’ worth of dirty dishes!!

You’ll replace 6 bottles of liquid dish soap at that amount—more than enough to make my green heart feel amazing.

Related To: Homemade Dishwasher Detergent

DIY Dish Soap Bar Recipe: Zero Waste Dish Soap (2)

What makes this DIY dish soap bar different from regular soap?

Can I use bar soap to wash dishes? Does solid dish soap work as well as liquid dish soap? If I were reading this, those would likely be my first thoughts.

This dish soap bar recipe is made with coconut oil. When it comes to soap making, it’s the most cleansing oil of all. The white coconut soap base in the recipe is designed to have no superfat – meaning it won’t leave any residue on dishes.

Often called melt and pour soap, the result is still homemade soap – you can control the soap ingredients, including what’s in the soap base. If you are just starting, you’ll love that it’s a less expensive route to soap making and quite easy to start. Be sure to see my beginner soap making guide to walk you through everything you need to know.

DIY Dish Soap Bar Recipe: Zero Waste Dish Soap (3)

If you’re a cold process soap maker, this zero-waste solid dish soap recipe from Soap Deli News not only helps to reduce plastic waste, it lathers and cuts grease just like dish soap in a bottle. We all want to do our part to help save the environment. Making the switch to an eco-friendly solid dish soap can help!

Either method creates a strong cleaning soap that protects against grease and stains.

Apartment Therapy says bar dish soaps deliver when it comes to cleaning ability, and compared to liquid dish soap, bar soap is minimally packaged and generally lower-waste.

Quite honestly, a solid dish soap bar is simple to use and looks attractive on a wood soap saver with a bamboo dish scrub brush. Much prettier than a plastic bottle sitting at the kitchen sink, don’t you think?

What essential oils are good for homemade dish soap? Fresh citrus and herbal essential oils always smell clean and happy if you ask me. But you can choose from any of the best essential oils for cleaning to make homemade dish soap.

Related To: Zero Waste Cleaning Tools

DIY Dish Soap Bar Recipe: Zero Waste Dish Soap (4)

SIMPLE DIY DISH SOAP BAR RECIPE

Let me show you how to make dishwashing soap in the form of a solid dish soap bar, and don’t miss my tips on how to wash dishes more sustainably. It’s how I’m teaching my daughter.

Dish Soap Bar Ingredients and Supplies:

½ pound coconut soap base

10 drops rosemary essential oil

15 drops lemon essential oil

square soap mold

soap knife

How To Make Solid Dish Soap Bars:

1. Clean the square soap mold and pat dry. Spritz two of the square cavities with rubbing alcohol.

2. Use a soap knife to chop up the coconut soap base. Measure half a pound of the chopped soap base with a digital kitchen scale for accuracy. Then, toss it all into a glass measuring cup.

3. Melt the soap chunks at 5 30-second intervals for approximately 1 minute and 15 seconds total, depending on your microwave settings. Stir intermittently to avoid burning.

4. Remove melted soap promptly from the microwave. Add 15 drops of lemon essential oil and 10 drops of rosemary essential oil. Swirl together in the liquid measuring cup to combine or stir with a heat-resistant silicone spatula.

5. Pour the homemade dish soap into 2 cavities of the prepared silicone mold. Spritz with rubbing alcohol to remove bubbles in soap and even corners as needed.

6. Allow each dish soap bar to cool in the soap mold for 1 to 2 hours or until solid before removing.

Makes 2 soap bars

DIY Dish Soap Bar Recipe: Zero Waste Dish Soap (5)

DIY Dish Soap Bar Recipe

Yield: 2 dish soap bars

Prep Time: 5 minutes

Active Time: 5 minutes

Total Time: 10 minutes

Difficulty: Intermediate

This DIY dish soap bar recipe creates a strong soap for cleaning that holds up against grease and stains.

Materials

  • ½ pound coconut soap base
  • 10 drops rosemary essential oil
  • 15 drops lemon essential oil

Tools

  • square soap mold
  • soap knife
  • digital kitchen scale
  • glass measuring cup

Instructions

  1. Clean the square soap mold and pat dry. Spritz two of the square cavities with rubbing alcohol.
  2. Use a soap knife to chop up the coconut soap base. Measure half a pound of the chopped soap base with a digital kitchen scale for accuracy. Then, toss it all into a glass measuring cup.
  3. Melt the soap chunks at 30-second intervals for approximately 1 minute and 15 seconds total, depending on your microwave settings. Stir intermittently to avoid burning.
  4. Remove melted soap promptly from the microwave. Add 15 drops of lemon essential oil and 10 drops of rosemary essential oil. Swirl together in the liquid measuring cup to combine or stir with a heat-resistant silicone spatula.
  5. Pour the homemade dish soap into 2 cavities of the prepared silicone mold. Spritz with rubbing alcohol to remove bubbles in soap and even corners as needed.
  6. Allow each dish soap bar to cool in the soap mold for 1 to 2 hours or until solid before removing.

Notes

This solid dish soap bar recipe makes 2 eco-friendly dish soap bars and each can lasts up to six months worth of dirty dishes!!

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How do you use solid dish soap?

I grew up in a farmhouse with two brothers and sisters without a dishwasher. So you can bet hand washing dishes was quite a task. While my mother has taught us many great things, dishwashing isn’t one of them.

You see, she taught us to fill one half of the sink all the way up with hot water and dish soap from a blue bottle. The other half was filled with warm water to rinse in. And we were given either an old washcloth or a blue or green plastic scrubbing pad. Then we washed every plate, cup, fork, pan, and so on in the same water. As the bubbles disappeared, so did the heat, and the water became dirtier with every dish.

If you have ever washed dishes like this, let me tell you there is a much better way! Here’s how I’m teaching my daughter to wash dishes more effectively and sustainably.

DIY Dish Soap Bar Recipe: Zero Waste Dish Soap (9)

Tips for Sustainable Dishwashing by Hand with Solid Dish Soap:

1. Scrap each dish into the compost to remove food remains before washing.

2. To conserve water and energy, fill a medium bowl with warm water instead of filling a big sink with hot water. Then, place it in the top right corner of your sink.

3. Next, dip a plastic-free scrub brush designed for washing dishes like these into the bowl of warm water. Rub the brush on the solid soap bar in a circular motion to suds up. (You can also lather the dish soap bar in the bowl of warm water or onto a damp dishcloth.)

4. Wash each dish away from the bowl of water by cleaning with the suds-up scrub brush. Since none of the dirty dishes go in the water, the water stays much cleaner! Repeat dipping the scrub brush in the water bowl and suds up more as needed with solid dish soap.

5. To rinse, fill another medium to large bowl with warm water. Add a drop or two of white distilled vinegar to work as a rinse aid. Place it on the other side of the sink or the top left corner if you have a full farmhouse sink. Dip each cleaned dish into the bowl to rinse. Towel or air-dry clean dishes.

As you can see there are a few different ways to use solid dish soap. But, no matter which way you go about it, you’re already making a sustainable choice using an eco friendly dish soap bar!

How long will a homemade dish soap bar last?

Each solid dish soap bar will last six months if you don’t wash all your dishes by hand. I would cut the time frame in half if you only hand-wash dishes.

As for storage, keep the dish soap bars in a dry, sealed container away from light and heat, and they’ll last for 1 to 2 years. I make mine, two bars at a time since that lasts me a whole year.

Make sure to use a soap dish or soap saver like this one to help pull water away from the bar and keep it dry. This will greatly extend the life of your homemade soap!

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DIY Dish Soap Bar Recipe: Zero Waste Dish Soap (10)

After not liking my attempts at making homemade liquid dish soap, I am so pleased to create a DIY dish soap bar recipe that’s effective against tomato paste, almond butter, and bacon grease too. I’m not sure if it’s the soap or the vinegar rinse aid, but I haven’t seen any streaks on our glassware or stainless steel pots.

Have you tried solid dish soap? Tell me about your experience in the comments below, and don’t forget to pin this recipe to your zero waste Pinterest board!

DIY Dish Soap Bar Recipe: Zero Waste Dish Soap (2024)

FAQs

How do you make eco friendly bar soap? ›

Measure one pound of the soap base of your choice. After chopping the block of soap base into chunks, throw it in your Pyrex bowl and microwave until melted. Add 30 drops of the essential oil of your choice and/or a half teaspoon of herbs per soap base. Mix and then pour into silicone mold or loaf pan.

How to make toxic free dish soap? ›

All you have to do is combine 1/4 cup liquid soap with distilled or filtered water and then add a few drops of your favorite essential oil for a pretty and natural fragrance. It's also a good idea to melt one or two teaspoons of coconut oil and add it to your soap solution.

How to make eco-friendly liquid soap? ›

Add 1/4 cup of castile soap to a clean dispenser bottle. If using, add 2 squirts of a plant based carrier oil and/or 10-15 drops of essential oil of choice. Fill the rest of the container distilled (or boiled and cooled) water. Give it a little shake and you're done!

What are the ingredients in the dishwash bar? ›

Ingredients: Saponified Vegetable oils, soap nut softly ground, processed fresh lemon, wood ash, demineralised water. No artificial colours. No foam boasters.

What ingredient to avoid in bar soap? ›

So, to protect your health and overall wellbeing, here are some of the most harmful ingredients you need to avoid when shopping for soap.
  • Parabens. ...
  • Formaldehyde. ...
  • Synthetic Fragrances. ...
  • Phthalates. ...
  • Synthetic Colours. ...
  • Triclosan. ...
  • Sodium Lauryl Sulphate. ...
  • Propylene Glycol.
Nov 4, 2021

What is the most environmentally friendly form of soap? ›

Bar soap is more sustainable than liquid soap

But whether your soap is bar or liquid, natural or synthetic, it's not going to be a huge part of your carbon footprint.

How to make homemade dish soap like Dawn? ›

Homemade Natural Dish Soap
  1. 1 1/4 cups boiling water.
  2. 1/4 cup castile soap bar ( (grated, and tightly packed))
  3. 1 tablespoon washing soda ( (use a little more for a thicker soap)
  4. 1/4 cup liquid castile soap.
  5. 10-30 drops essential oil ( (optional; I use 20 drops orange and 10 drops tea tree))

What is the healthiest dish soap to use? ›

If you can't get any of the Good Stuff options, these are acceptable.
  • Babyganics Foaming Dish & Bottle Soap. Babyganics has ditched the SLES in their dish/bottle soap, which is great. ...
  • Better Life Dish Soap. ...
  • Dropps Dishwashing Spray. ...
  • Ecover Dish Soap. ...
  • Grove Co. ...
  • Puracy Natural Dish Soap. ...
  • Seventh Generation Dish Liquid.

What is a natural alternative to Dawn dish soap? ›

Baking Soda + Hot Water

Combining your boiling water with baking soda is one of the easiest substitutes for dish soap at home. Baking soda is the product of a thousand uses and works well on dishes in a pinch. To use: Make a thick scouring powder by adding a bit of water to about half a cup of baking soda.

What are the ingredients in eco friendly dish soap? ›

Natural dish soaps are made from biodegradable ingredients, such as plant-based oils, essential oils, and natural cleansers like baking soda or vinegar. These products are free from synthetic fragrances and artificial dyes.

How to make sustainable dish soap? ›

Zero Waste Dish Soap & Easy DIY Recipe For Your Kitchen
  1. One 4 oz bar of Castile, or another vegetable oil-based soap (unscented)
  2. 1 tbsp of washing soda. ...
  3. 2 tbsp of coarse salt.
  4. 1 gallon of water or ½ gallon water and ½ gallon saponin solution (instructions below)
Dec 29, 2019

How do you make biodegradable bar soap? ›

STEP 2: In a separate pot, melt 1/3 cup coconut oil and 1/3 cup vegetable shortening. STEP 3: Add 1/3 cup olive oil to the melted oils and mix them all together. STEP 4: Slowly add the lye solution to the warm oil (it should turn cloudy as the lye is changing the oil into soap).

How to turn bar soap into liquid soap without glycerin? ›

Grate your soap bar of choice and bring water to boil either in a kettle or a pan. Slightly reduce the heat and add grated soap into the pan and stir gently until the grated soap has dissolved into the hot water. This takes around 5 minutes. Take the pan off the heat and let the soap cool down a bit.

How do you wash dishes with zero waste? ›

“The best hand-washing strategy is to make a small amount of soapy water, wash all the dishes and then finally rinse all the dishes,” he says. “Whether dishwasher or hand-washing, scraping and washing dishes right after using them will typically allow you to use less soap and water to clean them.”

How do you make low tox dishwashing liquid? ›

Instructions
  1. Add salt, washing soda and boiled water into a jug or bowl and whisk until dissolved. 1/2 tsp washing soda, 1/2 tsp salt, 200 ml boiled water.
  2. In a separate jug or bowl, add essential oils to castile soap and stir to combine. ...
  3. Add water mixture to castile soap and stir. ...
  4. Pour into 500ml pump bottle.

How do you make dish soap when you run out? ›

Liquid Castile Soap + Water

In this case, it makes a super quick DIY dish soap. To use, mix 1 part castile soap with 4 parts water in a jar or dish soap bottle. Shake and use like regular dish soap for hand washing dishes.

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