Vaping FAQs

what glycol is in vaping

by Prof. Romaine Boyle IV Published 1 year ago Updated 1 year ago
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propylene glycol

Is propylene glycol OK for vaping?

Vegetable glycerine and propylene glycol are the main liquids in vaping products. These are considered safe for use in many consumer products such as cosmetics and sweeteners. However, the long-term safety of inhaling the substances in vaping products is unknown and continues to be assessed.

What are the dangers of propylene glycol?

  • Various foods, cosmetics, and pharmaceutical products contain propylene glycol.
  • Propylene glycol is metabolized to compounds that are normal constituents of the citric acid cycle.
  • Propylene glycol toxicity generally is not a factor in environmental or occupational exposures.

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What products contain propylene glycol?

What foods contain propylene glycol?

  • Salad dressings
  • Tartar sauce
  • Mustard
  • Barbecue sauces
  • Packaged snack cakes and donuts
  • Snack foods such as French-fried onions or potato sticks
  • Frosting
  • Cake mixes
  • Snow cone flavorings
  • As a base for flavoring additives in baking

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What is propylene glycol and why you should avoid it.?

What is the difference between propylene glycol and ethylene glycol?

  • Propylene glycol (PG) and ethylene glycol are both compounds that decrease the freezing point of water.
  • These properties make both PG and ethylene glycol useful as preservatives and anti-freezing agents.
  • However, ethylene glycol is highly toxic to humans and must be completely avoided.
  • PG, on the other hand, is considered minimally toxic. ...

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Why use PG in vaping?

Besides absorption, the benefit to having more PG based liquids is the fact that there is less build up in your vaping device. Since it is a thinner liquid, it makes cleaning the equipment significantly easier. Overall people like using PG when they are concerned about having a strong throat hit and is the more popular choice among vapors. ...

What is Propylene Glycol?

So let’s take a look at what is propylene glycol. It is a tasteless, odorless liquid that serves as a base in many e-liquid products. You can take a look at our products here which mostly contain a 50% VG/PG ratio. Like VG it is a clear liquid that helps the wick in your vape quickly absorb the liquid and provide you with the hit. This hit is popular in many seasoned vapers who wish to feel the sensation of smoking the liquid. Now where PG differentiates from VG is in the consistency. It is runnier which allows for faster absorption by the wick. PG also has a stronger hit which is known to dry out vapors throats quicker.

How do I know which liquids contain this?

To know which liquids contain Propylene Glycol or Vegetable Glycerin for that matter a simple examination of the bottle should offer the solution. Most products contain a 50/50 mixture of each of the components but some offer a higher PG or VG base depending on what exactly you’re looking for in the liquid. Please take a look here at the e-liquids we offer.

What are the ingredients in e-liquid?

So by now most of us vapors are aware that we have two main ingredients in all of our e-liquids: Propylene Glycol and Vegetable Glycerin. But what is Propylene Glycol ? In this article, we will focus on Propylene Glycol (PG) and what it does for your vaping device. If you wish to learn more about Vegetable Glycerin (VG), you can click this link, and you’ll be directed to that page. Or if you are interested in a comparison of the two click here.

What is VG in cooking?

A: Vegetable Glycerin (VG) is Propylene Glycol’s cousin which also serves as a base, the difference is this liquid is known for the massive amounts of smoke created. Propylene Glycol, Vegetable Glycerin.

What is the difference between PG and VG?

This hit is popular in many seasoned vapers who wish to feel the sensation of smoking the liquid. Now where PG differentiates from VG is in the consistency. It is runnier which allows for faster absorption by the wick. PG also has a stronger hit which is known to dry out vapors throats quicker.

Is vaping PG safe?

Vaping PG has no significant side effects if any. It is considered a “safe” additive by the FDA. As mentioned above some people do find that they have a minor allergy in which they feel itchy or sensitivity in some areas, if this occurs the vaping should be stopped immediately.

Who said inhaling stuff has a lot of impact on the lungs?

Lead author Dr. Peter Shields, a medical oncologist at the Ohio State University Comprehensive Cancer Center in Columbus said, “Obviously inhaling stuff is going to have some impact on the lungs. This is another piece of information.”.

Can vaping cause lung damage?

The researchers planned on quantifying the changes in the lungs after use of e-cigarettes, they explained. The US Centers for Disease Control and Prevention (CDC) states that among those who have experienced lung injuries with vaping, “most patients report a history of using tetrahydrocannabinol (THC)-containing products.”.

Does vaping cause lung inflammation?

Vaping propylene glycol and vegetable glycerine may lead to lung inflammation. Researchers have found that using e-cigarettes with the e-liquid refills containing propylene glycol (PG) and vegetable glycerine (VG) may lead to inflammation of the lungs over a period of time. The results of the study titled, “Effects of Electronic Cigarette ...

Can you use THC and nicotine containing products?

The CDC adds, “Exclusive use of nicotine containing products has been reported by some patients with lung injury cases, and many patients with lung injury report combined use of THC- and nicotine-containing products.”. This was the first “experimental design” study that showed the damage caused by e-cigarettes say the researchers.

Does e-cigarette affect inflammatory cells?

Results revealed that there was no significant difference in levels of inflammatory cells among the e-cigarette users and the control group. The levels of inflammatory cells and proteins in the adult lungs were slightly raised however among those who used higher amounts of propylene glycol. The levels of propylene glycol could be measured from ...

Does smoking e-cigarettes cause lungs to swell?

The team of researchers, in the pilot clinical trial have found that those who smoked e-cigarettes twice a day for just a month had higher levels of chemicals such as propylene glycol in their blood. This was associated with inflammatory changes in their lungs.

Can propylene glycol be measured?

The levels of propylene glycol could be measured from the urine samples of the participants. This helped the team analyze the extent of use of this chemical. Shields explained, “So people with higher changes in levels actually inhaled more, and when you look at that, you see an increase in inflammation.”.

Why is propylene glycol used in food?

Propylene glycol is mostly used as an additive in food products. It can be used as a preservative in foods by protecting them from devaluation due to oxygen exposure. It also helps keep foods from drying out and ingredients from separating, it locks in moisture in food.

Where is vapable made?

Vapable was established in 2012 and started as a home business and made e-liquids, in their hometown in Southport, on the North-West coast and their website is . They extended the brand after they struggled to keep up with demand. June 2013 the company became Vapable Ltd. Vapable source for only from reputable and reliable sources. Their propylene glycol is always batch tested and comply with the requirements. They have it available in different sizes.

Is PG easy to refill?

PG is easy to handle when refilling your atomizer.

Does propylene go through testing?

The vampire vape propylene goes through testing before it is made available to the audience.

What is PG in e-liquid?

PG is a constituent of the diluent matrix used in the majority of commercial e-liquids. Historically, it is also the main ingredient of e-liquids. Tested and approved by the pharmaceutical industry as a vehicle for bronchodilator active substances (e.g. Ventolin), it would appear to be the ideal base for e-liquids due to its physicochemical properties:

What happens when a gas evaporates?

It evaporates at a relatively low temperature. In the gaseous state, it is condensed into fine droplets (generally in the presence of an air flow), trapping some of the adjacent molecules (i.e. nicotine, aromatic compounds, water, etc.). This rapid effect produces an aerosol which visually imitates smoke.

How is PG absorbed?

PG is absorbed by the body via ingestion, inhalation or injection (subcutaneous and intravenous). It is essentially metabolised in the liver and, to a lesser degree, in the kidneys. It is then converted into lactic acid and into pyruvic acid. These elements, naturally present in the body, are required to produce the energy that the body needs (Krebs cycle). In a healthy adult, most PG is metabolised or excreted by the body 2 to 4 hours after uptake. 12 to 45% of non-metabolised PG is excreted in urine [5-7].

What is PG used for?

PG is used in the composition of numerous pharmaceutical and cosmetic products intended to be applied on the skin. There are currently a large number of studies available on these effects due to skin contact.

How is PG derived from carbon chemistry?

PG is derived from carbon chemistry and very generally from petrochemistry. It is synthesised by the hydration reaction of propylene oxide in an acid medium as shown in the following reaction

What is the boiling point of PG?

It is odourless, tasteless, and colourless. With the molecular formula C3H8O2, PG has a boiling point of 187°C, a melting point of -60°C, and a density of 1.036 kg/L at 20°C.

Is PG a hazard?

As a food additive, it is considered low-toxicity, as demonstrated by its FDA classification as a “GRAS substance” (Generally Recognised As Safe). The authority specifies that there is no reason to suspect a hazard for the population in the case of PG intake in view of the quantities consumed [8].

How do e-cigarettes produce aerosols?

E-cigarettes produce an aerosol by heating the e-liquid with metal coils. Those metal coils can be composed of a variety of substances, including an alloy of iron, chromium and aluminum called kanthal, or a combination of nickel and chromium.

What is the condition that a woman developed after vaping?

And a 2012 case report involved a woman who developed a condition called exogenous lipoid pneumonia after vaping for about six months. Doctors said her e-cigarette's oil-based solvents were the likely cause, and her condition improved when she quit vaping.

What are the main components of an e-cigarette?

The main components. E-cigarette liquids, at the bare minimum, have three main components: flavors, sweeteners and solvents. Solvents are substances used to dissolve either nicotine or marijuana-derived compounds including THC or CBD so those ingredients can be inhaled.

What are the ingredients in e-liquid?

Sweeteners include sucralose and ethyl maltol. E-liquid flavors are wide-ranging, and can read like a wine tasting: "notes of vanilla" or "berries and herbal notes.". All of those ingredients — the solvents, the sweeteners and the flavors — are considered "generally recognized as safe" by the Food and Drug Administration.

What are the elements that make up an aerosol?

Those metal coils can be composed of a variety of substances, including an alloy of iron, chromium and aluminum called kanthal, or a combination of nickel and chromium.

What is the chemical in vanilla bean?

One recent study from Yale University found that vanillin — an extract of the vanilla bean — transforms into chemicals called acetals when aerosolized. Those chemicals, the researchers said, may be especially irritating to the lungs and cause damage when inhaled.

Does propylene glycol cause asthma?

Studies have shown that breathing in aerosolized propylene glycol may contribute to asthma.

What is Propylene Glycol?

Propylene glycol is a mostly tasteless, colorless liquid with a creamy consistency, and you may see it referred to as “propane-1, 2-diol” or even “PG” on ingredient labels and other sources . Propylene glycol is completely water soluble, which means that it will totally dissolve in water.

What are the ingredients in vape juice?

Most vape juices actually contain only three to four ingredients: Propylene glycol. Vegetable glycerin. Food-grade flavorings. Nicotine (an optional additive) The one ingredient on this short list that most people have questions about is propylene glycol, mainly because it isn’t a name that most of us are familiar with.

What are the Side Effects of Propylene Glycol?

The studies that do label it as a harmful ingredient are normally testing the ingestion of massive amounts, which is going to be the case for most chemicals that are taken in a huge dose. Also, keep in mind that ingesting a lot of propylene glycol when vaping is very difficult and rare.

What is VaporFi team?

The VaporFi team of experienced professional is always here to answer any questions you may have about vape juice or other vaping products. Whether you are wanting to know more about e-juice ingredients, or looking for help finding the right e-juice for you, we invite you to shop our products or contact us today.

Is propylene glycol a solvent?

Propylene glycol is a very common ingredient in a large number of products that we use every day. Because of its high efficiency as a solvent, propylene glycol can be found in a number of topic al products. Another common product that counts propylene glycol among its ingredients is medication, many of which use the chemical as a way ...

Is propylene glycol a good chemical?

Some people have an allergy to propylene glycol, and ingestion and inhalation can cause a mild allergic reaction. no nicotine flavors. Overall , propylene glycol is “generally considered to be a safe chemical,” according to the Agency for Toxic Substances and Disease Registry.

Can propylene glycol cause skin irritation?

That being said, there are a few conclusions that have been drawn so far about the side effects that you might notice from propylene glycol. Most commonly, possible itchiness and skin irritation are reported. Some people have an allergy to propylene glycol, and ingestion and inhalation can cause a mild allergic reaction.

What is PG in vaping?

PG is a major ingredient in electronic cigarette products. It makes up the majority of e liquids available on the market and is part of the homemade e liquid that the vapers make themselves, method called DIY, do it yourself.

What is the role of propylene glycol in cigarette products?

The major role of propylene glycol is preservative. It is found in food, cosmetics, drugs, tobacco. Omnipresent, it is found in electronic cigarette products where it generates vapor. Propylene glycol is a food, cosmetic, medical additive. Preservative and vapor generator in the electronic cigarette, its toxicity is evaluated.

How to reduce irritation caused by PG?

The easiest way to overcome irritation caused by PG is to increase the ratio of vegetable glycerin in your e liquid.# N#You will easily find neutral bases with a high ratio of VG, usually 30% PG to 70% glycerine, or even what is called full VG base, composed only of vegetable glycerin.#N#An alternative based on Propane-1,3-diol, a synthetic diol that can be derived from corn by enzymatic degradation of glucose is also proposed to replace PG.#N#It remains that this product named vegetable mono propylene glycol is also hygroscopic and seems less studied in the long term.

How is propylene glycol metabolized?

Propylene glycol is metabolized by the liver, where it is converted to lactic acid and pyruvic acid acid, then to carbon dioxide (CO2) and water, a completely normal cycle. It is not bioaccumulative, which means it is not absorbed by the body.

How long does it take for PG to show up in vape juice?

PG side effects can only lead to a reduction in its presence in vape juice. Appearing usually one to two weeks after starting the vape, it is easy to overcome this problem by looking for liquids composed of a mixture of PG and glycerin or even 100% glycerin if the allergy is obvious.

Does propylene glycol cause coughing?

In the case of pg allergy symptoms, we can do this differentiation because unlike the allergy that causes an immune reaction, the propylene glycol in vape seems to generate only one form of rejection usually resulting in a cough and / or irritation throat. Other propylene glycol allergy symptoms may also include:

Does propylene glycol cause health problems?

Health agencies say that propylene glycol can not cause major health problems but requires further scientific research. The study led by Cotta KI, Stephen CD and Mohammad NU for the Global Journal of Pharmacy & Pharmaceutical Science published May 30, 2017 reviews all available studies on propylene glycol inhalation.

What is a toxic metal found in cigarettes?

Cadmium – a toxic metal found in traditional cigarettes that causes breathing problems and disease

What are the effects of e-cigarettes?

Because the Food and Drug Administration (FDA) has not begun its review of any e-cigarette or its ingredients, nor has FDA issued any standards on the products, e-cigarette composition and effects vary. What researchers do know is that these toxic chemicals and metals have all been found in e-cigarettes: 1 Nicotine – a highly addictive substance that negatively affects adolescent brain development 2 Propylene glycol – a common additive in food; also used to make things like antifreeze, paint solvent, and artificial smoke in fog machines 3 Carcinogens- chemicals known to cause cancer, including acetaldehyde and formaldehyde 4 Acrolein – a herbicide primarily used to kill weeds, can cause irreversible lung damage 5 Diacetyl – a chemical linked to a lung disease called bronchiolitis obliterans aka " popcorn lung " 6 Diethylene glycol – a toxic chemical used in antifreeze that is linked to lung disease 7 Heavy metals such as nickel, tin, lead 8 Cadmium – a toxic metal found in traditional cigarettes that causes breathing problems and disease 9 Benzene – a volatile organic compound (VOC) found in car exhaust 10 Ultrafine particles that can be inhaled deep into the lungs

What is the chemical used to kill weeds?

Diacetyl – a chemical linked to a lung disease called bronchiolitis obliterans aka " popcorn lung ". Diethylene glycol – a toxic chemical used in antifreeze that is linked to lung disease.

What happens when e-liquid heats up?

Additionally, when the e-liquid heats up, more toxic chemicals are formed. Because the Food and Drug Administration (FDA) has not begun its review of any e-cigarette or its ingredients, nor has FDA issued any standards on the products, e-cigarette composition and effects vary. What researchers do know is that these toxic chemicals ...

Does e-juice contain nicotine?

The "e-juice" that fills the cartridges usually contains nicotine (which is extracted from tobacco), propylene glycol, flavorings and other chemicals. Studies have found that even e-cigarettes claiming to be nicotine-free contain trace amounts of nicotine.

Which vaping agent produces the most acetaldehyde?

For an example of how the rules change when temperature changes occur, tests have detected that vaporizing any common vaping agent produced acetaldehyde, formaldehyde, and acrolein in measurable amounts. Polyethylene glycol (PEG) produced the most, followed by propylene glycol (PG), with vegetable glycerin (VG) and medium chain triglycerides (MCT) producing the least.

What are the ingredients in vape cartridges?

In the cartridge vaping world for both THC-based and nicotine-based vapes, two chemicals have risen to lead the controversy over vape ingredients. Vegetable Glycerin (VG) and Propylene Glycol (PG) are still commonly used ingredients in many products. But what are the effects of vaping these two additives, and how can we nail down conclusive research?

What is vegetable glycerin used for?

Glycerol and propylene glycol have traditionally been used as: a food additive – as a solvent, sweetener, and preservative. first aid and medicine – as an mildly antimicrobial ...

What are the components of e-liquid?

Both of them are composed of the atoms carbon, oxygen, and hydrogen. Both of them are common components of “e-liquids,” used as a carrier to inhale the payload (nicotine / THC / etc.) and for their vapor-producing properties. Both are classified by the U.S. Food and Drug Administration (FDA) as generally recognized as safe (GRAS).

What is glycerol lubricant?

antifreeze – it disrupts the formation of ice crystals. chemistry – for one thing, glycerol is a component of nitroglycerin. other industry – vibration damping, water effects, fog machines, diesel fuel component.

Do vapes have harm factors?

Since the media has spent decades dramatizing the dangers of smoking to the point where one would assume that “ people who don’t smoke will never die ,” reporters are reluctant to say that vapes have harm factors as well.

When was K-Y jelly invented?

K-Y Jelly was first introduced in the year 1904, so it’s been in use for over 100 years. Now when you consider all the people who have used it worldwide and all the orifices that have come in contact with it, with no ill effects being reported, that makes a strong case for lox toxicity.

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What Is Propylene Glycol?

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So let’s take a look at what is propylene glycol. It is a tasteless, odorless liquid that serves as a base in many e-liquid products. You can take a look at our products here which mostly contain a 50% VG/PG ratio. Like VG it is a clear liquid that helps the wick in your vape quickly absorb the liquid and provide you with the hit. This hi…
See more on provaporstore.com

What Does It do?

  • As mentioned above PG aids in the absorption of the e-liquid into the wick, since it is a very thin liquid it offers the users a fast absorption time. Besides providing that faster absorption time, it gives you a better hit, which stimulates the sensation of smoking which some users find more enjoyable.
See more on provaporstore.com

How Do I Know Which Liquids Contain this?

  • To know which liquids contain Propylene Glycol or Vegetable Glycerin for that matter a simple examination of the bottle should offer the solution. Most products contain a 50/50 mixture of each of the components but some offer a higher PG or VG base depending on what exactly you’re looking for in the liquid. Please take a look hereat the e-liquids we offer.
See more on provaporstore.com

Is It Harmful?

  • Vaping PG has no significant side effects if any. It is considered a “safe” additive by the FDA. As mentioned above some people do find that they have a minor allergy in which they feel itchy or sensitivity in some areas, if this occurs the vaping should be stopped immediately. You could consult a physician or switch over to a purely VG e-liquid where fewer users have reported allergi…
See more on provaporstore.com

Q&A

  • Q: Is PG a harmful chemical? A: No, Propylene Glycol is a liquid that is marked as “safe” by the FDA to be used in food? Q: What does Propylene Glycol do? A: PG is quickly absorbed into the wick and serves as a base in vaping products. Q: What is Vegetable Glycerin (VG)? A: Vegetable Glycerin (VG) is Propylene Glycol’s cousin which also serves as a...
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