It has been the trend of recent times, taking over the world by storm and rebuking tobacco cigarettes altogether. With e-cigarettes in the picture, many people have decided that it is high time for them to lead a healthier life. E-cigarettes do just that for them with a 95 percent healthier approach towards smoking. Not only is it safe, but an e-cigarette is multi-dimensional and very convenient when talking about utility and portability.

Questions have been floating around the world about its usage and ingredients, and one needs to have information about the products to use when vaping, as there are a lot of brands producing numerous accessories and products.
There are various ways through which one can concoct their own e-liquid at home or buy them from the shelf. But make sure that the product you buy is good for your health.  In order to ascertain that the vape juices you buy are healthy for your body, it is essential to be aware of the different ingredients used in the formation of these Vape liquids. 

• Vape Juice and its components

The vape juice contains a lot of ingredients and base elements which makes vaping liquid-smooth. One of the elements is propylene glycol whereas other is vegetable glycerin, which makes the base either separately or together for the better mixture. The base elements are mixed with different flavors like cherry, grape, mint and even tobacco.

The mix of the two elements makes the vape juice mix well. This is why these ingredients need to be respectively understood. Some of the flavors have other ingredients as well.
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• Propylene glycol

It is a non-toxic element which is used to give the e-liquid a better taste and flavor. It is used as an essential ingredient of food coloring, as well as an additive in different medicines. Propylene Glycol is either used on its own in vape liquids or with Vegetable Glycerine to get a smooth vape.

• Vegetable glycerin

The use of Vegetable Glycerine in vape is common and safe for consumption. It is used to increase the density of the vape liquid, due to its thick consistency. Furthermore, it is used with Propylene Glycol for a better vaping experience.
While both the PG and VG are used in the vape are completely harmless, you are advised to profess caution the first time you use a vape liquid containing VG in case an allergic reaction occurs. Refrain from use if you have an existing allergy to  VG. Signs of an allergic reaction include sore and tingling throat as well as irritation on the body. If you experience any of the following symptoms and signs, it is recommended to consult a physician and switch to a non-VG-based-e-liquid.
It is recommended to thoroughly research the product you are going to buy. The information-gathering process will create user awareness,it will aid you in gauging your own preferences regarding Vape Liquid flavors (likes and dislikes), and ensure your safety since you will have knowledge of the ingredients you want to avoid in the vape juice. 

• Diketones

The use of Diketones is what makes the product buttery and creamy in flavor as well as the e-liquids. The testing of Diketones is mandatory but it isn’t the case as far as the law goes in case of inhaling products. This is the reason why it is difficult to find the right information about the e-liquids that are diketone-free. It is basically a set of chemicals that make this chemical like diacetyl, acetyl propionyl, and acetoin.
These chemicals have different properties from each other but both acetyl propionyl and acetoin contain traces of diacetyl.

• Diacetyl 

Diacetyl is a very harmful substance that is not fit for consumption. This substance was used as an additive to create a flavor of butter in the microwave popcorn.It was discovered in the 1990s after a few workers in the popcorn factory contracted the bronchiolitis after inhaling high amounts of it for a long time. The name “Popcorn lung” for bronchiolitis showcases the toxicity of Diacetyl. Because its levels are tested for food as opposed to for Vape inhalation, it isn’t safe for inhaling. 

According to a study conducted at Harvard T.H Chan School of Public Health, it was reported that the damaging effect of Diacetyl in cigarettes is 750 times more when a person inhales a conventional Tobacco cigarette and that is why E-Juice or Vape is considered better than smoking. The detrimental effect of Diacetyl attributed to Vape Manufacturer to produce diacetyl-free Vape juice.

The use of two other diketones, namely: Acetyl Propionyl and Acetoin is of concern as well, but these are not as harmful Diacetyl itself. These chemicals are commonly found in Vape Liquids and have detrimental effects on humans. The use of these chemicals was started as a safer alternative to the diacetyl was sought after the entire fiasco of the popcorn factory. Acetyl Propionyl and Acetoin also increases the rate of the chemical reaction of diacetyl. This catalytic effect of acetyl propionyl and acetoin is something that can take place during the process of manufacturing, as well as when a person is vaping.

Presently, there is a lack of concrete and scientific data regarding nature both of these substances. Regardless, there are people who think that it should not be used as an ingredient in the vape products and should be avoided.