Vegetable charcoal is a natural product used since the dawn of time against digestive discomfort or even intoxications and poisonings. Nowadays, its use has also become trendy in cosmetics, for purifying facial masks or in makeup. You prefer to use it in cooking to impress your table... and then as a detox treatment to eliminate and drain all accumulated toxins! Yes, activated vegetable charcoal is versatile thanks to its strong adsorbent power.

This article was updated on 06/12/2023

Characteristics of activated vegetable charcoal

Activated vegetable charcoal most often comes in the form of a black powder resulting from a double calcination process of plant materials. These can be diverse and varied: non-resinous white woods such as poplar, birch but also straw, branches or even nut shells or fruit stones. These are all organic plant materials rich in carbon.

Technical characteristics

Activated vegetable charcoal identity card

Scientific name: Carbo vegetabilis
Common names: activated vegetable charcoal, activated vegetable charcoal
Inci name: charcoal powder
Origin: calcined plant material
Forms and preparations found: powders, capsules or tablets
Solubility: insoluble in water

Biochemical characteristics

A good activated vegetable charcoal powder should contain?

  • carbon
Organoleptic characteristics

What does a good activated charcoal powder look like?

  • Appearance: powder with an earthy texture;
  • Black color ;
  • Odor: none;
  • Taste: none.

Manufacture of activated vegetable carbon

Obtaining vegetable charcoal is broken down into two stages, with the aim of form a multitude of pores internal and on the surface of the coal, with the aim of increasing its adsorption capacity! The more porous the carbon, the higher its adsorption capacity, that is to say its ability to attach to the surface.

Step 1: calcination or carbonization of plant materials
This first heat treatment is also called pyrolysis. It consists of decomposing plant matter by gradually increasing the temperature in a container devoid of oxygen. The temperature can reach almost 900°C. This first step allows you to create a first porosity of coal by breaking down organic matter. After this first step you should all be able to imagine the look on his face... But yes, admit it, without him you wouldn't be able to have your famous summer barbecues!
Step 2: activation
A second step consists of activate charcoal obtained in increasing its porous surface. The plant material is again burned at lower temperatures, and this time the processing is done in presence of water vapor and gas. This second calcination allows the formation of an immense network of micropores : we obtain activated or activated vegetable charcoal in powder form!

Properties of activated vegetable charcoal

Adsorbent power

In the case of activated vegetable charcoal, unlike our dear essential oils for example, it is not the active ingredients in the component which are at the origin of its properties but rather its structure… It does not really contain active substances strictly speaking since it is composed almost exclusively of pure carbon. The different stages of obtaining activated vegetable charcoal give it a porous texture thus developing its major action: its adsorbent power !

Adsorption is a phenomenon which manifests itself by the capture of substances on the active porous sites of a solid, here vegetable charcoal. The increased surface area of ​​the pores helps trap toxins, bacteria and impurities encountered.

Researchers have estimated that just 1 small gram of powdered activated charcoal has an adsorption surface area of ​​between 400 and 2500 m², the equivalent of approximately 3 to 15 volleyball courts (162 m²).... And yes ! This surface area would allow it to adsorb approximately 100 times its volume... Thus, you will understand that these adsorption properties give activated vegetable charcoal major actions at the body level.

Common applications

  • There detoxification of the body through the adsorption of toxins, microorganisms, gases, found particularly at the level of digestive system and accessory organs (stomach, small intestine, colon, liver, pancreas, kidneys). Activated vegetable charcoal is very useful in certain cases of poisoning, for example.

  • Overall participation in thedigestive balance. By participating in the adsorption of gases, activated vegetable charcoal helps reduce bloating and plays a real role in digestive well-being.

  • There purification, it also works for dermal. At the skin level we also find toxins which cling, bacteria which multiply… Activated vegetable charcoal purifies the skin by adsorbing these impurities.

  • There coloring is also a property of activated plant carbon to be exploited. It is a very black and strongly coloring pigment which can be used for example in make-up such as mascaras.

How to choose your activated vegetable charcoal?

In what forms can I find activated vegetable charcoal?

Activated vegetable charcoal comes naturally in a simple form: a powder. However, it is possible to find it in other forms in pharmacies or in stores, otherwise it would be too simple, let's see... powder, in tablets or in capsules, what are the major differences between these different formulations and especially which one to choose?

In powder
In its most natural, raw and pure form
This is the basic formulation allowing charcoal to provide all its benefits quickly and effectively. This formulation has the advantage of being able to adapt the dosage on a case-by-case basis; which obviously means following the instructions for use carefully. Used in powder form, activated vegetable charcoal can be used both orally and through the skin. In addition, and this is not negligible, this formulation is the most economical. 100% pure, effective and economical, who could say better?
In tablets
In a galenic form combining pure activated vegetable charcoal and excipients
This form is suitable for people who are resistant to the earthy texture of pure and raw vegetable charcoal powder. In tablet form, activated vegetable charcoal will be accompanied by excipients capable of binding the different substances together (sucrose, dextrose, cellulose, etc.), giving a shiny, easily ingestible appearance to the tablet (magnesium stearate for example, etc.) or still aromas for a pleasant intake. Please note that other active ingredients are often added to the tablet formulation to provide other benefits (most often fennel extracts).
In capsules
Activated vegetable charcoal powder is wrapped in a capsule

This formulation is composed of activated vegetable charcoal powder in a gelatin capsule. Like the tablets, the capsule allows you to get through the earthy texture of the powder. Scientists argue that the envelope would delay the effectiveness of the charcoal powder since it must be broken down in the stomach before releasing its contents.

IN SHORT, choosing vegetable charcoal in the form of a tablet or capsule means choosing a solution that is pre-measured and therefore more expensive. In addition, activated vegetable charcoal will not be alone and raw in these formulations. It is therefore possible that the addition of substances clogs the pores and therefore modifies the properties of the charcoal... So it's up to you, but at the Compagnie des Sens the powder appears to be the purest, effective and economical solution !

The quality criteria of activated vegetable charcoal

What labels can be associated with activated vegetable charcoal?

At present, there is no no label allowing the quality of activated vegetable charcoal to be certified. Just make sure that the manufacturer ensures 100% pure and natural activated charcoal in powder form.

Origin: a preferred plant material?

A statement regarding the plant origin of coal is always a good idea. Please note that depending on the plant material, a charcoal will be more or less adsorbent. For example, with coconut shells we would obtain a highly adsorbent vegetable charcoal, with very small pores.

Activated or “super activated” vegetable charcoal?

You have probably already seen the term “super activated” vegetable charcoal appear on your product if you are closely interested in activated vegetable charcoal. What is the difference between these two terms, activated and “super activated”? Activated, or activated, vegetable charcoal is qualified as such according to its manufacturing process: a double treatment, calcination and activation, allows it to be obtained. The word “super activated” can be included on the labeling to indicate a high carbon adsorption potential, even higher than a classic formula. For example, some manufacturers qualify their vegetable charcoal as “super activated” when their adsorption surface area is approximately 2000 m² per gram of powder. This is above all a mention to facilitate the buyer's choice. This does not mean that a product without this mention will be less effective… Manufacturers offer vegetable charcoal with the same adsorption potential and they do not, however, include the “super activated” mention.

Little advice : the mention can certainly help in making your choice but checking the adsorption potential, 1000, 1500, 2000 m² per gram of powder, is the best way to know which carbon we have in our hands!

How to use activated vegetable charcoal?

For health

Detoxifying treatment
Take 1 to 2 tablespoons (approximately 4 g) in a glass of water, preferably in the morning on an empty stomach, then repeat twice during the day at mealtimes. A course of 10 to 15 days can be considered with the agreement of your doctor and/or pharmacist.

Digestive problems, stomach aches, bloating, diarrhea
Take a teaspoon (about 2 g) in a glass of water, preferably in the morning on an empty stomach or when you feel the need before a meal.

Food poisoning
In case of food poisoning, take 1 g/kg of body weight of activated vegetable charcoal in a glass of water. Consult a healthcare professional promptly.

Bites from insects or venomous animals, sores
Make a thick poultice using an activated vegetable charcoal paste obtained using water. Apply to the area in question for 30 minutes then wash thoroughly and renew the poultice 2 to 3 times a day until improvement.

Little tip: For oral use, use a straw to drink your mixture. This will avoid having a completely black mouth even if it goes away after a few rinses with water ;)

In cosmetics

Purifying mask for oily, combination or acne-prone skin
Mix ½ teaspoon of activated vegetable charcoal with 1 tablespoon of green clay and a teaspoon of vegetable oil. You can add a little Witch Hazel hydrosol until you obtain a homogeneous paste. Apply for 10 to 15 minutes on the face then rinse gently with water. To complete the treatment, you can pass over the face using a cotton pad impregnated with Jojoba vegetable oil or Witch Hazel hydrosol. Activated vegetable charcoal helps cleanse the skin and capture impurities, toxins and excess sebum responsible for blackheads and other facial conditions.

Makeup
Incorporate activated vegetable charcoal powder into your mascara, eyeshadow or kohl preparations at a rate of 10%.

White teeth  
Lightly moisten your toothbrush and dip it in the charcoal powder, brush and rinse with clean water. You can add a drop of Lemon or Wild Mint essential oil to your toothbrush. Use this 1 to 2 times a week. For the witch's smile, don't worry! After a few rinses with clean water and normal brushing with toothpaste, you will find your teeth cleaned, shiny and even whiter than before. In addition to its whitening action, activated vegetable charcoal helps capture bad odors for fresh breath.

For domestic use

Bad smells
Take a small cup and fill it with a little charcoal powder. Vegetable charcoal, thanks to its adsorbent properties, allows you to capture bad odors from a refrigerator, toilet, trash can or other…

In the kitchen 
Add 1 to 2 teaspoons of powdered activated vegetable charcoal to your preparations, bread dough, pastries, ice creams, cocktails. The adsorbent effects of activated vegetable charcoal have not been proven once mixed with a culinary preparation, however it will surely amuse your guests to eat a completely black bread.

Precautions for using activated vegetable charcoal

Activated vegetable charcoal has many benefits and appears safe on the short term if used as recommended. However, please consult a doctor or pharmacist before using vegetable charcoal. oral route. We do not recommend its use in young people children, during a pregnancy or breastfeeding without medical advice.

Vigilant point

Contraindications

The use of vegetable charcoal orally is contraindicated for people who are constipated, suffering from peptic ulcer, digestive hernia or even intestinal obstruction.

Skin application
Vegetable charcoal is not recommended for sensitive and fragile skin.
Ingestion

For internal use, it is important to drink enough water during charcoal treatment. The latter can lead to mild constipation. Please seek medical advice for any use of charcoal ingestion. 

Allergenic components

Vegetable charcoal does not contain allergenic biochemical components. If it is used according to the recommended recommendations there are no real known allergic risks. However, for the most reactive and fragile people, do not hesitate to test your sensitivity to vegetable charcoal in the crook of the elbow 48 hours before use.

Interaction with other treatments

Activated vegetable charcoal, as an adsorbent compound, can counteract the effects of medicinal treatments taken in parallel. By medications we mean all treatments that may be essential to your daily life and may interact with charcoal: antihistamine, contraceptive pill, antihypertensive, etc. It is therefore preferable to take it approximately 3 hours apart from medications.

Methods of use and storage

Authorized users
Possible ways of use
Use, conservation, storage
Activated vegetable charcoal should be stored dry, away from air and light. In powder form, charcoal is powdery so be careful of drafts when handling. It should not be inhaled. In case of excessive inhalation, it is important to get fresh air and consult a doctor if the slightest respiratory discomfort is felt. In case of contact with eyes or mucous membranes, rinse with plenty of clean water. In case of accidental ingestion, drink water.

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