Liquid Soap Too Thick For Dispenser

Using liquid soap in a dispenser can be convenient and hygienic to keep your hands clean. But what if you find the liquid soap too thick for the dispenser? This can be an annoying problem, but luckily, you can take some steps to dilute it and get your liquid soap dispenser back to normal.

In this article, we will take a look at why liquid soap may become too thick and what you can do to get it back to the right consistency.

Liquid Soap Too Thick For Dispenser

Can Soap Be Too Thick For Dispenser?

Yes, soap can be too thick for a dispenser. Most soap dispensers are for using liquid soap, which is thinner than traditional soap. So, if you try to use thick soap in a soap dispenser, it can clog the valve.

This can lead to a lot of problems, such as the soap will not get out of the dispenser, and it can damage the dispenser itself.

However, many soaps are now available as concentrates, and after you buy one, you will need to dilute them with water. This will make the soap thinner and less likely to clog.

Inadequate dilution of the soap and using it directly from the bottle can cause dispenser clogging and valve failure. To prevent this, it is important to dilute the soap or to use a liquid soap that has already been diluted.

Liquid Soap Too Thick For Dispenser

How Do You Dilute Thick Liquid Soap?

Diluting liquid soap is an important part of keeping it at the right consistency. The right consistency will make sure it is effective at cleaning. And, the best way to dilute thick liquid soap is to use only water.

This will ensure you do not alter the pH level of the soap, thus making it more effective for its intended use.

However, there are 2 common ways to dilute liquid soap:

Dilute To Honey-Thick Consistency

When using your thick liquid soap in a pump or squirt bottle, you will have to dilute it to a honey-thick consistency. This is a suitable dilution ratio when the liquid soap will be applied directly onto the surface you want to clean.

Here is the process of diluting your soap to a honey-thick consistency:

  • First, you’ll need to mix 2 parts of the soap paste with 1 part of warm water. You can use a potato masher to mix the soap with water if there are large lumps. You can also mix using a stick blender, spatula, or whisk.
  • Now, after mixing the first part of the water, check the consistency and thickness of the paste. If the combination needs extra water, add 1/2-part warm water and mix again.
  • Next, recheck the consistency and continue diluting the soap with decreasing water amount until it reaches the required thickness.
  • Lastly, if extra water is required, add 1/4 part water. Once the desired consistency is reached, you can use the liquid soap in a pump or squirt bottle.

Sometimes solid paste lumps or a floating layer of firm soap resist dissolving well. If this occurs, you can dilute the stubborn portions separately. This decreases the likelihood of over-dilution of the main component of soap.

Liquid Soap Too Thick For Dispenser

Dilute For Foaming Dispensers

Diluting your soap to the right consistency is essential to work properly in foaming dispensers. When using a dispenser, the soap you use needs to be water-thin, or else you will end up having soap too thick for dispenser. This means you should dilute the soap to a concentration of 10% pure soap content.

This will allow the soap to foam adequately when dispensed. Hence, you may need to adjust the amount of water used in the dilution process to get the desired consistency.

It is important to note that when diluting for dispensers, you should not add any extra thickener to the soap. Foaming dispensers need water-thin soap so that it can foam easily when dispensed.

Adding a thickener to the soap will reduce its foaming capacity, which will make it less effective in the dispenser.

Why Is My Liquid Soap Too Thick?

The most common reason your liquid soap is too thick is the fragrances and essential oils. These fragrances and essential oils can cause the liquid soap to accelerate and thicken.

This is because the fragrances and essential oils can interact with the other ingredients in the soap, making the soap thicker. In addition, fragrances and essential oils may affect the clarity and color of the soap base.

Why Is My Liquid Soap Not Foaming?

The lack of foaming in liquid soap can be a major inconvenience when cleaning and bathing. Without proper lather, you may leave behind dirt and bacteria instead of washing them away.

So, why is your liquid soap not foaming as it should? Let us take a look at some of the more common causes:

Hard Water

This is one of the most common causes of non-foaming liquid soap. Hard water is high in minerals like calcium, magnesium, and iron. These minerals can inhibit the soap’s ability to foam. To combat this, you can try using a water softener.

Too Much Fat Content

Another common cause of non-foaming liquid soap is too much fat content. Soaps are made up of several different fatty acids. If the soap has too much of one of these fatty acids, it can inhibit its ability to foam. You can use soap with lower levels of fatty acid to avoid this.

High Super-Fat

Finally, a high super-fat content can also be the reason for non-foaming liquid soap. Super-fat is the percentage of oils in the soap that remain unreacted with the base. Too much of this can prevent the soap from foaming.

Why does salt thicken liquid soap?

Salt is a natural thickening agent for liquid soap. Salt is made up of two parts: sodium and chloride. When you add salt to a liquid, the sodium and chloride ions interact with the water molecules in the liquid soap.

This causes a reduction in the charge density of the micelle, the smallest soap solution unit. When the charge density is reduced, the micelle causes the spherical-shaped micelles to convert to rod-shaped micelles.

The rod-shaped micelles will bind together and form clusters, eventually leading to the thickening of the soap solution.

What Chemical Makes Liquid Soap Thick?

Sodium hydroxide, hydroxypropyl methylcellulose, and hydroxyethyl cellulose can make liquid soap thick.

The primary chemical used to thicken liquid soap is sodium hydroxide, commonly known as lye. This powerful alkaline substance is the active ingredient that helps to break down the oils and create a thick and creamy lather.

Typically, a higher concentration of lye will give you a thicker product. But too much lye can also make your product too harsh on your skin.

Another chemical used to thicken liquid soap is Hydroxypropyl Methylcellulose, also known as HPMC.

Additionally, Hydroxyethyl Cellulose, or HEC, is often used to thicken liquid soap. HEC works by forming an elastic film on the surface of the liquid soap.


It is not uncommon for liquid soap to become too thick to work correctly in a dispenser. Fortunately, the issue of liquid soap too thick for dispensers can usually be remedied by adding a little water.

Hence, it is important to check the thickness of liquid soap before using it in a dispenser. This is to ensure that it is not too thick and will not cause any problems. Once you have the right consistency, you can use it in a dispenser with no problems.

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