Can You Turn Bar Soap into Liquid at Home

Turning bar soap into liquid at home is a simple process that requires just a few basic ingredients and some patience. You can use a combination of water and glycerin to create a liquid soap base.

The key to making liquid soap at home is to understand the properties of bar soap and how it can be converted into a liquid state. Bar soap is typically made up of a mixture of oils, fats, and alkalis, which are combined and then hardened to create a solid bar.

To turn bar soap into liquid, you'll need to heat it up and mix it with a solvent, such as water or glycerin, to break down the fatty acids and create a liquid consistency. The ratio of bar soap to solvent will depend on the type of soap you're using and the desired consistency of the final product.

Worth a look: Glycerin in Soap Making

Making homemade liquid hand soap without castile soap is a great idea for families with multiple users, like mine with five people sharing one bathroom.

Constantly wet bar soap can dissolve quickly, especially if it's handmade cold process or melt and pour soap.

Using a metal soap dish can help, but it's still a hassle to swap out soap dishes mid-day.

Having eczema on your hands, like me, means you need a gentle and effective hand soap that's also budget-friendly.

My kids go through a lot of soap, so making homemade liquid soap out of bar soap is a cost-effective solution.

You can turn bar soap into liquid soap, and it's actually quite easy. To get started, you'll need to grate one bar of soap, which can be done by hand or in a food processor.

The amount of water needed will depend on the size of the bar soap you're using. A general rule of thumb is to use 2 cups of water per 1 oz of soap. For example, if you're using a 4 oz bar of soap, you'll need 8 cups of water.

You can heat the water until just before boiling, then add in the grated soap and stir until it's fully dissolved. This will take some time, but it's worth the effort. If you're using a food processor to grate the soap, be careful not to overprocess it, as this can create a mess.

Once the soap is dissolved, you can add in glycerin if you're using it. This will help to create a more luxurious and moisturizing liquid soap.

Here's a rough guide to the process:

Note that the final results can vary depending on the soap bar you choose, so you may need to adjust the water content accordingly.

If you're looking to turn bar soap into liquid soap, make sure the soap shreds are entirely dissolved in the water, or you'll end up with clumps in the final product that will clog up the dispenser.

To avoid this, stir the mixture well to remove any soap clumps that may form. You can also use a stick blender to help incorporate the soap and water, but it's not necessary.

When choosing a bar soap, opt for handmade cold process, Dove, African black soap, or other cold process soap, as these will give you the best results. Avoid using glycerin soap, as it can turn into a slimy mess.

Here are the essential materials you'll need to get started:

To make homemade liquid hand soap from a bar of soap, you'll need the right materials. You can use a 4-ounce bar of soap, which is a standard size that will yield a decent amount of liquid soap.

A cheese grater or a knife can be used to grate or cut the soap into smaller pieces. This will help the soap dissolve more easily in the water.

You'll also need a large pan to melt the soap, and a stick blender to mix the soap and water together. This is a crucial step, as it will help prevent the soap from separating and clogging your soap dispenser.

Distilled water is a must-have for making liquid hand soap, as it won't have any impurities that can affect the quality of the soap. You can use a Berkey water filter or boil water for several minutes to remove impurities before using it.

Here's a list of the materials you'll need:

Optional, but recommended, is the addition of essential oils for fragrance. You can add 6 to 12 drops of essential oils per ounce of soap, depending on your personal preference.

Related reading: Essential Oil Combinations for Soap Making

When choosing the right type of soap for your homemade liquid hand soap, it's essential to select the right bar soap. Cold process and handmade cold process soap work very well for this recipe.

You can also use Kirk's Castile Soap, Dove soap, or African black soap, which can be found on Amazon or Etsy. Some soap makers sell soap scraps and shredded soap, making it easy to get started.

Some types of soap don't work well, such as glycerin soap, which gets stringy and gloopy, and melt and pour soap, which doesn't melt properly. Very dry bars of soap also won't work well, so make sure the soap has some water content in it.

Here are some recommended soap types:

These options will give you the best results for making liquid hand soap from bar soap.

You can turn bar soap into liquid soap by following a simple recipe. A typical bar soap can be converted into liquid soap using a ratio of 2 cups of water per 1 oz of soap.

Bar soap comes in various sizes, so it's essential to adjust the water content accordingly. For instance, Dr. Bronner's soap is 5 oz, requiring more water. To convert your bar soap into liquid, you'll need to grate it and mix it with water.

The mixture will initially look like soapy water, but it will thicken as it cools. To achieve the right consistency, you can add more water to thin it out if needed.

Soap can be made from bar soap by grating a 4 oz bar of soap and dissolving it in 8 cups of water. This process is a great way to repurpose old soap.

The ratio of water to soap is about 2 cups of water per 1 oz of soap, so if you're using a different size bar, you can adjust the recipe accordingly. I tried this with a 5 oz bar of Dr. Bronner's soap and needed to add more water.

Once the soap is dissolved, the mixture will look like soapy water, but it will thicken as it cools. This can take anywhere from 12 to 24 hours, depending on the temperature.

After the mixture has cooled, you can beat it with an electric mixer to fully incorporate. If it's too thick, you can add a bit more water to thin it out.

Here's an interesting read: What O Add to Homemade Soap as a Preservative

Glycerin is a common ingredient in DIY liquid soap recipes made from bar soap. It's a humectant that helps moisturize your skin.

In most recipes, glycerin is added to make the soap creamy and prevent clumps. For example, in the recipe for turning bar soap into liquid soap, 0.25 oz of vegetable glycerin is added to 1.6 oz of soap bar.

Glycerin also makes more lather, which is a desirable property in soap. If you omit glycerin, your soap may not be as lather-rich.

You can safely omit glycerin if desired, but keep in mind that the final results can vary depending on the soap bar you choose. If your soap turns out too liquidy or too hard, you'll need to adjust the water content.

Here are some key facts about glycerin in DIY soap:

To turn bar soap into liquid soap, you'll need to dissolve the soap bar in water. The amount of water needed can vary depending on the soap bar you choose.

It's essential to stir the mixture well to prevent separation as it cools. In the example provided, the mixture was stirred for 5 minutes to ensure it wouldn't separate.

Adding vegetable glycerin to the mixture can help achieve the right consistency. The amount used in the example is 0.25 oz.

The mixture needs to cool completely before transferring it to a reusable soap dispenser. This can take around 5 hours, depending on the environment.

Here's a summary of the process: