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Posted

I've been wondering lately, everywhere you see vaping referred to as inhaling water vapor. But, there's no water in e-liquid. How does vaporizing juice scientifically produce water vapor?

Posted

True, but isn't vaping pretty much vaporized PG/VG, or does vaporizing these molecules somehow condense water in the air thus producing the vapor we all know and love?

Posted

In essence, YES, it is water vapor. The PG and Nicotine are rapidly absorbed by the body, and on the exhale, trace (but measurable) amounts of Glycerine are found, but mostly it is water.

There is an older study (which was quite conclusive on these findings), which found the exhale to be mostly water, with trace amounts of Glycerine, extremely low traces of nicotine (1/35th the level of passive second-hand smoke of a traditional cigarette), and zero findings of toxic or carcinogenic substances.

Also notable in the study:

No glycerine was detected in air during cigarette smoking. On the other
hand,72μg/m3 were detected during e-smoking.
This amount is much lower than the threshold safety

imit (TWA-TLV10mg/m3)and much lower than

the threshold for moderate risk.
However, it’s important to note that acrolein, a molecule formed by dehydration of glycerine due
to high temperatures, was present in the air of the
room during cigarette smoking test (20μg/m3). In fact, it is well known that glycerine is often added to moisten tobacco.
During combustion glycerine is transformed into acrolein. The fact that
no combustion is involved when using e-cigarettes probably plays a fundamental role in the absence of
acrolein from indoor air during their use. As everyone knows, acrolein is a very toxic and
irritating substance. Moreover it is currently suspected of having a fundamental role in the carcinogenic process.
Posted

In essence, YES, it is water vapor. The PG and Nicotine are rapidly absorbed by the body, and on the exhale, trace (but measurable) amounts of Glycerine are found, but mostly it is water.

There is an older study (which was quite conclusive on these findings), which found the exhale to be mostly water, with trace amounts of Glycerine, extremely low traces of nicotine (1/35th the level of passive second-hand smoke of a traditional cigarette), and zero findings of toxic or carcinogenic substances.

Also notable in the study:

No glycerine was detected in air during cigarette smoking. On the other

hand,72μg/m3 were detected during e-smoking.

This amount is much lower than the threshold safety

imit (TWA-TLV10mg/m3)and much lower than

the threshold for moderate risk.

However, it’s important to note that acrolein, a molecule formed by dehydration of glycerine due

to high temperatures, was present in the air of the

room during cigarette smoking test (20μg/m3). In fact, it is well known that glycerine is often added to moisten tobacco.

During combustion glycerine is transformed into acrolein. The fact that

no combustion is involved when using e-cigarettes probably plays a fundamental role in the absence of

acrolein from indoor air during their use. As everyone knows, acrolein is a very toxic and

irritating substance. Moreover it is currently suspected of having a fundamental role in the carcinogenic process.

Cudos to the information ℹ! Awesome...
  • 2 weeks later...
  • 3 weeks later...
Posted

In essence, YES, it is water vapor. The PG and Nicotine are rapidly absorbed by the body, and on the exhale, trace (but measurable) amounts of Glycerine are found, but mostly it is water.

There is an older study (which was quite conclusive on these findings), which found the exhale to be mostly water, with trace amounts of Glycerine, extremely low traces of nicotine (1/35th the level of passive second-hand smoke of a traditional cigarette), and zero findings of toxic or carcinogenic substances.

Also notable in the study:

No glycerine was detected in air during cigarette smoking. On the other

hand,72μg/m3 were detected during e-smoking.

This amount is much lower than the threshold safety

imit (TWA-TLV10mg/m3)and much lower than

the threshold for moderate risk.

However, it’s important to note that acrolein, a molecule formed by dehydration of glycerine due

to high temperatures, was present in the air of the

room during cigarette smoking test (20μg/m3). In fact, it is well known that glycerine is often added to moisten tobacco.

During combustion glycerine is transformed into acrolein. The fact that

no combustion is involved when using e-cigarettes probably plays a fundamental role in the absence of

acrolein from indoor air during their use. As everyone knows, acrolein is a very toxic and

irritating substance. Moreover it is currently suspected of having a fundamental role in the carcinogenic process.

Thanks for the info it was very informative and learned something I didn't know
Posted

E- Liquid is the fluid that fuels the Electronic Cigarette. It is what provides the nicotine solution and the flavoring to your Electronic Cigarette.

Posted

Thanks for the info, Earthling. I've heard that the majority of the carcinogens in tobacco cigarettes, including the tobacco itself, are not actually carcinogenic unless burned.

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