
Making liquid soap from scratch is a fun and rewarding DIY project that can save you money and give you control over the ingredients. You can make a batch of liquid soap at home with just a few simple ingredients, including distilled water, oils, and lye.
The key to making great liquid soap is using the right ratio of oils to lye, which is typically around 30-40% oils and 60-70% lye. This will give you a soap that is gentle and effective.
To get started, you'll need a few basic supplies, including a soap making pot, a digital scale, and a thermometer. You'll also need to choose a recipe, such as the simple recipe that uses olive oil and coconut oil, or the more complex recipe that uses a blend of oils.
A good soap making recipe will include a balance of moisturizing oils, like olive oil and coconut oil, and cleansing oils, like castor oil and palm oil.
For another approach, see: Pomace Olive Oil for Soap Making
Introduction
Making liquid soap is a great way to create a gentle and effective cleaning product for your home.
Liquid soap is a versatile and convenient alternative to traditional bar soap.
With the right ingredients and a simple recipe, you can create a liquid soap that's perfect for everyday use.
Overview
The concept of introduction is often misunderstood, but it's actually a crucial part of any piece of writing.
A good introduction should be attention-grabbing, making the reader want to keep reading.
Typically, it's around 10% of the total word count, but this can vary depending on the context.
In academic writing, an introduction often includes a thesis statement, which outlines the main argument or point of the paper.
The thesis statement is usually around 1-2 sentences long and is meant to be concise and clear.
A well-crafted introduction can make all the difference in engaging the reader and setting the tone for the rest of the piece.
The introduction should also provide some background information or context to help the reader understand the topic.
In some cases, an introduction may include a hook, which is a sentence or phrase that grabs the reader's attention and draws them in.
Hands Clean

Making the switch to homemade liquid hand soap is a game-changer for your bathroom routine. With just a few simple ingredients, you can create a soap that's gentle on your skin and the environment.
Using a natural soap base like Castile soap is a great starting point. This type of base is gentle and effective, making it perfect for daily use.
Adding glycerin to your hand soap is a great way to boost hydration. This ingredient helps lock in moisture, leaving your hands feeling soft and smooth.
You can customize the scent of your hand soap with your favorite essential oils. This adds a pleasant fragrance that's perfect for everyday use.
Pouring your hand soap into a pump dispenser makes it easy to use and convenient to store.
Worth a look: Homemade Hand Soap
Ingredients
To make liquid soap, you'll need a few main ingredients.
For the alkali component, you'll use potassium hydroxide, which is harder to find than sodium hydroxide and comes in flakes, not beads.
You'll also need a mix of oils, such as coconut oil, olive oil, rice bran oil, and other oils like soybean, safflower, or grapeseed oil.
Distilled water is essential for liquid soap making, as tap water can contain minerals and impurities that affect the clarity of your soap.
Liquid vegetable glycerin is another crucial ingredient that helps with the soap's texture and feel.
You can also add any scent or color you like to your liquid soap.
Here's a rough breakdown of the ingredients you'll need:
- Coconut oil
- Olive oil
- Rice bran oil
- Soybean oil, safflower oil, or grapeseed oil
- Sunflower oil
- Potassium hydroxide (in flakes)
- Distilled water
- Liquid vegetable glycerin
- Scent or color of your choice
Keep in mind that potassium hydroxide is caustic, so be sure to wear gloves and protective eyewear when handling it.
Making the Lye Solution
To make the lye solution, you'll need to weigh out the glycerine, water, and potassium hydroxide (KOH). It's essential to do this in a well-ventilated area.
Mix the water and glycerin together in a separate bowl. This is a crucial step, so make sure to get it right.
Explore further: Water Pillow
Carefully add the KOH to the water and glycerin mixture, stirring it until it dissolves. It will be cloudy at first, but then it will clear up.
The type of lye you use matters, so make sure to use KOH (potassium hydroxide) for liquid soap, not NaOH (sodium hydroxide).
Here's a step-by-step guide to making the lye solution:
- Weigh out the glycerine, water, and potassium hydroxide (KOH).
- Mix the water and glycerin.
- Carefully add the KOH to the water and glycerin mixture.
- Stir the KOH into the water until it dissolves.
Customizing Your Recipe
You can personalize your liquid soap by using the Soapee Calculator to create new recipes. This versatile tool helps you experiment with different combinations of ingredients.
Dilute and scent your soap according to the guidelines in the full Liquid Soap Making Overview to achieve the desired consistency and fragrance.
Why Use Glycerin
Using glycerin when making liquid soap can be a game-changer. It replaces part of the water with glycerin, making the soap-making process quicker and more fool-proof.
Adding glycerin helps the soap paste dissolve easily in water, eliminating the need to heat the water or leave it for days. This is a huge time-saver, especially for beginners.
Check this out: Water Discount in Soap
Glycerin is also a humectant, drawing moisture into the skin and making the soap feel hydrating, not drying. I've found this to be especially beneficial in my liquid coconut oil soap, which doesn't feel drying despite not being superfatted.
Here are some key benefits of using glycerin in liquid soap making:
- The resulting soap paste dissolves easily in water, saving time and effort.
- Glycerin helps draw moisture into the skin, making the soap feel hydrating and conditioning.
If you don't want to use glycerin, you can simply substitute it with more water, but be aware that the process may take longer and the resulting soap may be slightly different.
Customizing Your
You can personalize your liquid soap by using the Soapee Calculator to create new recipes. This tool will help you mix and match different ingredients to create unique soap blends.
To dilute and scent your soap, follow the guidelines in the full Liquid Soap Making Overview. This will ensure your soap is just right for your preferences.
Experiment with different scents and fragrances to give your soap a unique character. You can find inspiration for new scents in the Dandelion & Honey Liquid Soap recipe already published on the site.
To create a truly custom soap, start with a recipe and then dilute and scent it according to your liking. The possibilities are endless, and it's up to you to decide what makes your soap special.
Customizing Your Recipe
Oils can greatly affect the thickness of your soap, with olive oil making for a thicker soap and coconut oil making for a thinner one.
To achieve the desired consistency, you can adjust the amount of each oil in your recipe. I've found that using more coconut oil results in a soap that's easier to pour and has a lighter color.
If you're making liquid soap, keep in mind that olive oil-based soap will be darker in color than coconut oil-based soap. The difference in color may be the most notable difference between the two.
Coconut oil soap, on the other hand, produces a bubblier lather and may be slightly more drying. However, it also gives a "squeaky clean" feeling that some people prefer.
Both coconut oil and olive oil-based liquid soaps give a decent lather and are relatively mild for skin. However, if you have sensitive skin, you may want to opt for the coconut oil soap.
You might like: Coconut Flesh Recipes

Here are some resources to help you learn more about customizing your liquid soap recipe:
- Soapmaking Forum – Liquid Soap & Cream Soap Forum
- Ultimate HP Soap – 30 Minute Liquid Soap
- Wholesale Supplies Plus – Learn to Make: Liquid Soap From Scratch
- Modern Soapmaking – Easy & Quick Tips for Making Liquid Soap Successfully
Calendula & Coconut
The Calendula & Coconut Liquid Soap recipe is a great example of how you can customize your soap making recipe to create unique and nourishing soaps. This soap reminds me of sunshine in a jar, thanks to the naturally obtained yellow color from calendula flower-infused coconut oil.
To make this soap, you'll need to blend a touch of coconut milk powder into the oils for extra nourishment and label appeal. However, you can choose to use cow or goat milk powder instead, or leave it out completely.
The recipe yields 60 ounces of diluted soap and includes 13.75 oz of distilled water, 4.63 oz of potassium hydroxide, and 8 oz of calendula-infused coconut oil. You'll also need 3 oz of castor oil, 9 oz of high oleic sunflower oil, and 1/2 tsp of coconut milk powder.
Broaden your view: Coconut Oil Soap Bar
Here's a breakdown of the oil percentages in the recipe:
- Calendula-infused coconut oil: 40%
- Castor oil: 15%
- High oleic sunflower oil: 45%
To make the soap paste, weigh the coconut, castor, and sunflower oils into a slow cooker and blend the coconut milk powder into the combined oils using an immersion blender. Then, pour in the lye solution and alternate blending with the immersion blender and mixing by hand until trace is reached.
Dilution and Mixing
Dilution and mixing are crucial steps in making liquid soap. To ensure the longest shelf life, dilute the soap paste only with water and/or glycerin.
It's essential to use distilled water for transparency, but you can also use a combination of glycerin and water. Avoid using herbal teas or milk unless they were cooked into the recipe.
To dilute the soap paste, use a ratio of 1 part soap paste to 2-3 parts distilled water. You can also use heat to speed up the process, or let it dissolve on its own overnight.
Discover more: Glycerine Bar Soap
Here's a general guideline for dilution ratios:
You can also add essential oils to your liquid soap at the time of dilution for fragrance.
Glycerin
Glycerin is a game-changer when it comes to making liquid soap. It's a humectant, meaning it draws moisture into the skin, making for a hydrating soap that doesn't feel drying.
Adding glycerin to your liquid soap recipe can make the process easier and more fool-proof. It can also help the soap paste dissolve more easily in water, which is a huge time-saver.
If you're using the glycerin method, you can replace part of the water with glycerin. This can move the soap-making process along more quickly, making it a great option for beginners.
Using glycerin can have other benefits too. Soap pastes made with glycerin tend to be easier to dilute in water and may be more transparent. They can also be more conditioning to the skin.
If you don't want to use glycerin, you can simply substitute it with more water. However, keep in mind that this may take longer to make and your resulting soap may be slightly different.
Here are some key benefits of using glycerin in liquid soap making:
- Easy to dissolve in water
- Humectant properties for hydrating skin
- Easier to dilute in water
- May be more transparent and conditioning
Dilution
Dilution is a crucial step in making liquid soap, and it's essential to get it right. You'll need to dilute the soap paste with water or a combination of water and glycerin to achieve the desired consistency and clarity.
Using distilled water is recommended to ensure a transparent soap and prevent mineral buildup. This is especially important if you want your soap to have a long shelf life. Distilled water is free of contaminants and minerals that can cloud your soap.
One part soap paste to 1-3 parts water is a good starting point for dilution. However, you can adjust the ratio to achieve the desired concentration of your liquid soap. Some people prefer a stronger soap, while others like it milder.
Adding glycerin to the dilution process can make it easier to achieve a clear and transparent soap. Glycerin is a humectant that draws moisture into the skin, making it a great addition to liquid soap. It can also help to speed up the process of diluting the soap paste.
Here's a rough guide to the dilution process:
Remember, you can always adjust the ratio to suit your preferences. It's also worth noting that using tap water may not be the best option, as it can contain minerals and other substances that can cloud your soap. If you're concerned about clarity, it's best to use distilled water.
Dilution is a process that can take time, but it's worth being patient. You can let the soap paste dissolve on its own overnight, or use heat and stirring to speed up the process.
Equipment and Process
To make liquid soap, you'll need a slow cooker, a stick blender, and a kitchen scale. You'll also need a quart jar, silicone stirring spoons, and a stainless steel potato masher.
To ensure a safe and successful process, it's essential to ventilate your work area well and cover your workspace with newspaper. You'll also need to put on your gloves and goggles. Be sure pets and kids are not running underfoot as you begin this project.
Here's a list of the equipment you'll need:
- small slow cooker
- kitchen scale
- stick blender
- goggles
- soapmaking gloves
- quart jar
- silicone spoons
- stainless steel potato masher
Equipment
To make liquid soap, you'll need a variety of equipment. This includes a slow cooker, which is essential for the process.
A kitchen scale is also necessary, as the recipe is measured in ounces. This will help you accurately measure out the ingredients.
A stick blender is another important tool, used to mix and blend the ingredients. A quart jar, preferably with a wide mouth, will come in handy for mixing and storing the soap.
Goggles and soapmaking gloves are also crucial safety gear, protecting you from splashes and skin irritation. A stainless steel potato masher can be used to mash ingredients, and silicone spoons are great for stirring.
Here's a list of the equipment you'll need:
- Slow cooker
- Kitchen scale
- Stick blender
- Goggles
- Soapmaking gloves
- Quart jar
- Silicone spoons
- Stainless steel potato masher
Crockpot Size

When choosing a crockpot for making liquid soap, make sure it's at least 4 quarts in size.
A 4-quart crockpot is ideal for this recipe, and you can find one at your local big box store.
Be sure not to use a crockpot with a non-stick or Teflon inner coating, as it will react negatively with lye.
This is a crucial consideration when making liquid soap, so be sure to check your crockpot before using it.
On a similar theme: Does Bar Soap Count as a Liquid When Flying
Process
The process of making liquid soap is a bit more involved than you might think, but don't worry, it's still pretty straightforward. You'll need to ventilate your work area well, cover your workspace with newspaper, and put on your gloves and goggles.
To start, you'll need to measure your oils and place them into a crockpot. Remember to use a scale to measure the ingredients by weight, not by volume. This will ensure you get the right proportions.

The slow cooker is a great tool for making liquid soap, and it's especially useful for melting the oils. I use a smaller slow cooker to cook my ingredients down and then move to a larger one once I start adding the liquids.
When mixing the water and lye, it's essential to pour the lye into the water, not the other way around. This will help prevent any accidents. You may notice the mixture making groaning noises as it dissolves, but this is normal.
Here's a rough outline of the process:
As you cook the mixture, it will begin to thicken up and become more translucent. You'll know it's done when it dissolves clear in water. If it's still cloudy, you can continue cooking it for another half hour before checking again.
Recipes and Variations
To get started with liquid soap making, you can use the recipes provided in this article.
You can find two recipes to try out, and there's also a recipe for Dandelion & Honey Liquid Soap available on the author's site.
The Soapee Calculator can be a helpful tool for creating new liquid soap recipes, and the tips at the beginning of the article can provide additional guidance.
Recipes

To get started with liquid soap making, you'll need a recipe to follow. Two recipes are provided to kick off your adventure.
You can also find another recipe, Dandelion & Honey Liquid Soap, already published on the site.
The Soapee Calculator can be used to create new liquid soap recipes, along with the information in the tips section of the article.
Dilution and scenting of the soap should be done according to the guidelines in the Liquid Soap Making Overview.
Hemp & Plantain
Hemp & Plantain is a unique and nourishing combination that's perfect for soapmaking. This combination features plantain-infused coconut oil, extra virgin olive oil, and hemp oil, which provides a subtle green hue to the soap.
The hemp seed oil used in this recipe has a shorter expected shelf life, so it's recommended to use the soap within 4 to 6 months. If you don't use it up sooner, be aware that the green color may fade to a brown shade.
Recommended read: Essential Oil Combinations for Soap Making

To make plantain-infused oil, follow the directions in the article 10 Things to Make with Plantain. You can also use a rich green unrefined hemp seed oil from Mountain Rose Herbs to achieve a similar effect.
Here's a breakdown of the ingredients used in this recipe:
Note that the amount of vegetable glycerine and distilled water can be adjusted to achieve the desired consistency.
Troubleshooting and Tips
As you dive into liquid soap making, you may encounter some common issues. One of the key things to keep in mind is that liquid soap can be prone to separation, which is a normal process.
Make sure to stir your liquid soap well before using it to avoid this issue.
If you notice that your liquid soap is too thick, it may be due to the high temperature of the oils used in the recipe. You can try adding a small amount of distilled water to thin it out.
Always use distilled water when making liquid soap to prevent any impurities from affecting the final product.
Tips

Before you start making liquid soap, keep in mind that it's essential to have the right equipment, such as a double boiler or a dedicated soap-making pot.
Having a well-ventilated workspace is crucial when working with liquid soap, as the fumes can be overpowering.
To ensure your liquid soap turns out smooth and creamy, use a high-quality glycerin that's specifically designed for soap-making.
If you're new to liquid soap making, start with a simple recipe and gradually experiment with different ingredients and fragrances.
A good rule of thumb is to use a 1:1 ratio of oil to water in your liquid soap recipe, but feel free to adjust this ratio as needed to achieve the desired consistency.
Can You Make?
You can make liquid soap from a bar of soap by grating and melting the soap in water. Adding glycerin will give it a smoother texture.
Grating a bar of soap can be a bit tedious, but it's worth it for the end result. It's a great way to repurpose old or broken soap bars.

You can also make a liquid soap base by dissolving a bar of soap in hot water. Just be careful not to overheat the mixture, as this can cause the soap to break down.
If you're looking to make a soap that's specifically designed for sensitive skin, adding glycerin to your liquid soap can be a game-changer. It helps to moisturize and soothe the skin.
Frequently Asked Questions
What are the three ingredients of liquid soap?
The three main ingredients of liquid soap are olive oil, lye, and purified water. These simple ingredients can be combined to create a basic liquid soap recipe.
What are the ingredients in simple liquid soap?
Our simple liquid soap contains a blend of gentle and effective ingredients, including surfactants, moisturizers, and natural extracts, such as citrus seed extract and mentha leaf oil. For a detailed breakdown of each ingredient, please see our full ingredient list.
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