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What is Glycerin? – Definition, Properties, Benefits, Uses, and More

Glycerin Definition

Glycerin is liquid alcohol used to make various cosmetic products such as Soap and other products, although it can also make home remedies.

This compound is alcohol that uses in cosmetics for its properties for the skin.

It obtains from vegetables, its texture is dense and odourless, and its primary benefits are to hydrate and soften the skin thanks to its moisturizing properties.

What are the Properties of Glycerin?


It is a product obtained naturally by separating the sugar alcohol from the fat and distilling it. Its chemical composition is C 3 H 8 O 3and it is a syrupy liquid obtained from vegetable, animal, or chemical fats.

The chemical can also be called glycerol and distil only once. It can also found label E-422, which ensures that it has a purity of 99.5%, which indicates that it does not mix with other chemicals and distils twice.

On the other hand, synthetic glycerin comes from petroleum. If its natural origin does not indicate the product, it is most likely that oil is the raw material used.

1. Moisturizer

Glycerin absorbs and retains moisture. That is, it helps attract moisture to it and retain fluids. For this reason, it contributes to the hydration of the skin and helps it stay that way for a long time.

2. Water-Soluble

This product can entirely dissolve in water without losing an iota of its purity. It also makes it capable of absorbing water in the form of steam, so it works very well to combat moisture’s effects on the hair.

3. Insipidus

It means that it does not taste like anything. It is one reason why it is used so much in the food industry since the rest of its properties can use without altering the taste of the specific product.

4. Emollient

And also, Glycerin can soften, so its dermatological use is widespread to soften and protect the skin.

What are the Benefits of Glycerin?

benefits of glycerin

1. Keeps the Skin Hydrated

  • The most important is its moisturizing property for the dermis. And also, making the skin stay hydrated and sufficiently nourished.
  • Therefore it is highly recommended for people with dry or scaly skin.
  • Sometimes some add liquid glycerin to the daily moisturizer to enhance its effect.

2. Fight Dermatitis

  • It is an excellent treatment to combat dermatitis or eczema of the skin.
  • It is due to its antibacterial properties, making it ideal for repairing damaged tissues and healing skin wounds.

3. Anti-Acne Treatment

  • It is a powerful anti-acne treatment due to its disinfectant and bactericidal properties.
  • And also, it prevents skin eruptions and keeps pores clean.

4. Anti-Ageing Effect

  • Glycerin retains water in the skin, thus preventing dehydration of the dermis and protecting against external factors such as pollution.
  • Masks with this compound are perfect for curbing wrinkles.

What are the Uses of Glycerin?


Its uses include the following:

1. For the Hair

  • If you have dehydrated hair, it is advisable to apply glycerin.
  • And also, take half water and half glycerin, mix it and use it from the roots to the ends. It will strengthen the roots and make the hair silkier.

2. Antibacterial Gel

  • In this health alert, the antibacterial gel is out of stock in most stores, or its price is very high.
  • To make an antibacterial gel or a homemade disinfectant gel, you only need a 250-millilitre bottle of alcohol, half a tablespoon of hydrogen peroxide, two tablespoons of purified water boiled or from the filter, and a tablespoon of liquid glycerin.

3. Combined with Soap

  • If the Soap leaves your skin very dry, nothing better than adding a few drops of glycerin.
  • And also, use it in the liquid Soap, and you will see that your skin is not dry after bathing.

4. Help with Burns

  • If you suffer a minor burn and notice an abrasion on your skin, you can apply a few drops of glycerin and distribute them in the affected area.
  • You will see that in a few minutes, the discomfort will disappear.

5. Hydrate

  • And also, add a few drops of it into the cream you apply every day to your legs, arms, and face. And also, you can shake with a toothpick or shake the container.
  • It mainly helps people who have dry skin, the skin will look more hydrated, and if you do it regularly, it will help prevent sagging.

How to Make Homemade Glycerin Soap?

homemade glycerin

For glycerin soap, make it at home.


  • Plant oils
  • Lye
  • Liquid glycerin
  • Rubbing alcohol
  • And also, Purified water


  • Firstly wear gloves and safety glasses, slowly sprinkle lye into the purified water (never add water to lye).
  • The lye solution adds to the plant oils, such as coconut or vegetable.
  • Start to heat the ingredients on the stove or in a slow cooker.
  • And also, add the liquid glycerin and alcohol to the mixture.
  • Once the ingredients fully dissolve, pour the mixture into your mould of choice and allow it to cool.
  • The process of cooling can take several days. And also, it may help make a large batch of soaps at once, so you can keep extra bars on hand.

Where to Buy Glycerin

The vegetable glycerin can purchase at any store specializing in vegetables, including online or herbal.

The best way to use the mixture is to make personal hygiene products for the skin, like the classic natural soaps.

Contraindications and Side Effects of Glycerin

Glycerin has no particular side effects and contraindications. It does not recommend for pregnant and lactating women and subjects suffering from hypokalemia.


Glycerin’s healing and moisturizing properties, they increase your risk of irritation and other side effects.

If you’d instead not make Soap from scratch, do what you can to locate a pure glycerin soap product. And also, you should find an authentic bar of glycerin soap at your local health store or online retailers.


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