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Preservatives For Solid Soap

Solid soap preservatives will keep the soap from rotting, and solid soap is one of the most used types of detergents in recent times, which made the solid soap project one of the best profitable projects for its owners, and it is worth mentioning that soap is one of the oldest detergents that appeared ancient and to this day This is still ongoing developments, and people's interest in it made them wonder about what are the preservatives for solid soap, which we will know through the Money Makers website.

preservatives for solid soap

The preservative is one of the most important things that protect products from rotting, but care must be taken to choose the best preservative that does not harm humans. The most famous preservatives for solid soap are:

  • Formaldehyde: Formalin is one of the most famous preservatives used in the manufacture of solid soap.
  • Isosizon : It is among the preservatives used to reduce the phenomenon of putrefaction and it does not cause any sensitivity on the skin, which made it better than formalin in preserving soap.
  • Sodium Benzoate : A white, water-soluble powder that turns into benzoic acid, which is why it is often used in soaps and other detergents.
  • Methyl Paraben : Methyl Paraben is widely used in the manufacture of solid soap.
  • Citric acid : or (citric acid) is one of the materials used in the manufacture of solid soap, because of its success in eliminating bacteria.

How to make solid soap

After we got acquainted with some preservatives for solid soap, it should be noted that solid soap is one of the most widely consumed products of all kinds, and it is worth mentioning that solid soap exists in more than one form, and there is more than one type, each type has its own smell that distinguishes it In order to be able to make solid soap, you must follow these steps:


  • It is required to bring 960 grams of olive oil.
  • 720 grams of cold water.
  • 410 grams of fat or tallow.
  • Plus 276 grams of caustic soda.
  • You should also bring a coloring agent found in chemical stores, or major perfumery stores.
  • Alcohol-free essential oil, preferably coconut oil.
  • Hand gloves, a scale and plastic cups.
  • Molds for soap such as used in the confectionery industry.
  • Eye protection goggles and a mixer.
  • Plastic spoon and glass thermometer.

How to prepare

  1. First of all, you need to mix all the oily products together in the water bath.
  2. We put two quantities of boiling water on the previous mixture, taking it away from the fire.
  3. Then we put cold water in a glass made of thermal pyrex and add caustic soda to it.
  4. Slowly stir all ingredients with a large spoon.
  5. Leave the mixture to cool as the caustic soda will raise its temperature.
  6. Then we can measure the temperature using the glass scale, if it reaches 120 degrees Celsius, we put soda on the caustic on the fat.
  7. All ingredients must be mixed well using an electric mixer, and mixing must be continued for 10 minutes until we obtain a completely homogeneous mixture.
  8. Put 30 grams of essential oil on every 480 grams of olive oil.
  9. Then it is necessary to re-mix the ingredients well so that the essential oil is homogeneous with the mixture.
  10. Add the rest of the essential oil to the mixture while continuing to stir.
  11. The colored substance is placed and the stirring must be continued.
  12. Grease the molds well, put the mixture in them and leave to dry for up to 14 days.

solid soap uses

In light of the talk about preservatives for solid soap, it should be noted that there are many different uses for solid soap, which made it one of the most important products available in all homes, companies, hospitals and even in beauty centers, and we will present some of the uses of solid soap as follows:

  1. It is used to keep the skin clean of bacteria and fungi.
  2. It is also one of the important products used in the field of skin care.
  3. There is a type of solid soap used to clean dishes and surfaces.
  4. Proven to be effective in eliminating fat.
  5. It works to give the skin a high degree of hydration, because it contains glycerin and natural materials.

Different types of soap

Soap has many types, differing from each other in industry and use as well as shape and smell, and due to the great importance of soap in our daily life, we will know the different types of soap.

  • It is considered the first type of soap that was discovered, and it is worth mentioning that it has proven effective in many fields, in addition to that it is a profitable project due to its simple cost and great profit. Its manufacture depends on various fats because they contain saturated acids, and these acids are mixed with a substance called sodium hydroxide.
  • Solid non-melting soap is one of the types of soap that is made using coconut oil.
  • Soft soap made from some fatty substances and saturated fats, in addition to sodium hydroxide, and it is worth noting that it has a semi-liquid nature.
  • Shaving soap is among the types of soap used a lot by men.
  • There is also a type of soap called transparent soap, which is produced by mixing castor oil with an essential oil such as coconut oil.
  • Commercial soap is one of the types of soap used, and the use of this type of soap includes coconut oil, and some grease.

Soap shelf life

Soap is one of the products that does not spoil easily, due to its natural ingredients and safe preservatives that it contains, in addition to that soap can be stored for long periods of up to several years without anything happening to it, and the period in which soap can be used is estimated at about ten to Twenty years.

Also, manufacturers of soap of all kinds guarantee the consumer the safety of its components on the skin, in addition to submitting all components to international standards set in the manufacture of detergents or cosmetics. It is worth noting that keeping soap for many years may, of course, lose one of its properties.

Since soap that removes fat and grease can actually remove them, but its smell will not be as sweet and fragrant as it was before, and the best ways to store soap occur in dry conditions, and it is best to put a polyethylene material, or any plastic preservative.