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WARNING: This product contains nicotine. Nicotine is an addictive chemical.

What Is Vape Juice Called? Understanding E-Liquid Terms

Ever wondered what is vape juice called? Learn the difference between e-liquid, e-juice, and nic salts to find the perfect blend for your device.

Sat, Jun 27, 2026

Vape juice on a kitchen countertop

Table of Contents

  1. Introduction
  2. The Most Common Names for Vape Liquid
  3. The "Vape Oil" Misconception
  4. What Is Inside the Liquid?
  5. Understanding PG/VG Ratios
  6. Nicotine Salts vs. Freebase E-Liquid
  7. Matching the Liquid Name to Your Device
  8. Why Quality and Origin Matter
  9. Proper Storage of Your E-Liquid
  10. Key Differences Summary
  11. Conclusion
  12. FAQ

Introduction

Walking into a vape shop or browsing an online store can be overwhelming due to the variety of terminology used. One of the most common points of confusion for those new to the community is the liquid used in these devices. You may hear it referred to by several different names depending on who you are talking to or what brand you are looking at. Understanding these terms is the first step toward finding the right product for your specific device and preferences.

At Vapor Authority, we believe that clarity is essential for a positive experience. Whether you are looking for a specific flavor or a particular nicotine strength, knowing the language of the industry helps you navigate the vast selection available. This guide will clarify the different names for the liquid used in electronic cigarettes and explain the practical differences between them. (vaporauthority.com)

Warning: This content is intended for adults of legal vaping age only. Vaping products contain nicotine, which is an addictive chemical. These products are not intended for use by minors, non-smokers, pregnant or breastfeeding women, people with heart conditions, high blood pressure, or asthma. Consult a physician if you have concerns about whether vaping products are appropriate for you.

The Most Common Names for Vape Liquid

When you search for the fluid used in a vaporizer, you will encounter a few primary terms. While they generally refer to the same type of product, some terms are more technically accurate than others.

E-Liquid and E-Juice

The two most widely accepted terms in the industry are "e-liquid" and "e-juice." These terms are interchangeable. Manufacturers use both "e-liquid" and "e-juice" on their packaging and marketing materials. At Vapor Authority, we use these terms to describe the flavored nicotine solutions intended for use in refillable tanks and pod systems. (vaporauthority.com)

Vape Juice and Vape Liquid

As vaping became more mainstream, "vape juice" and "vape liquid" emerged as popular shorthand. These are perhaps the most common terms used by daily vapers. They are informal but perfectly acceptable when describing the fluid. If you ask for "vape juice" in any professional setting, the staff will know exactly what you mean.

Smoke Juice

"Smoke juice" is an older term that was more common during the early years of the industry. It was frequently used when the first "cig-a-like" devices were introduced. You rarely see this term used today by modern brands or experienced enthusiasts. It has largely been replaced by "e-liquid" to distance the product from traditional combustible tobacco.

The "Vape Oil" Misconception

One term you may hear frequently—but should use with caution—is "vape oil." It is very common for people outside the industry to refer to e-liquid as "oil." However, this is technically incorrect and can be potentially misleading.

True e-liquids are not oil-based. They are water-soluble solutions made primarily of propylene glycol and vegetable glycerin. Calling it oil can lead to confusion with other types of vaporizable products, such as essential oils or thick extracts, which are not intended for standard nicotine hardware.

Using an actual oil in a device designed for e-liquid can ruin the equipment. It can also be very unpleasant to inhale. To ensure you are buying the correct product for your nicotine device, always look for labels that say "e-liquid" or "e-juice" rather than "oil."

What Is Inside the Liquid?

To understand why it is called e-liquid, it helps to know what is inside the bottle. Most e-liquids consist of four primary ingredients. Each ingredient serves a specific purpose in the vaping experience.

Vegetable Glycerin (VG)

Vegetable Glycerin, or VG, is a thick, sweet liquid derived from vegetable fats. In the world of vaping, VG is responsible for the visible vapor production.

  • Vapor Production: Higher VG concentrations produce thicker, denser clouds.
  • Consistency: VG is quite viscous, which can affect how quickly a coil absorbs the liquid.
  • Flavor: It has a slight natural sweetness but does not carry complex flavorings as well as PG.

Propylene Glycol (PG)

Propylene Glycol, or PG, is a much thinner, odorless liquid. It is used in many food and pharmaceutical products to carry flavor and maintain moisture.

  • Throat Hit: PG provides the "throat hit" sensation that many vapers prefer.
  • Flavor Carrier: It is an excellent solvent, meaning it carries the concentrated flavorings more effectively than VG.
  • Viscosity: Because it is thin, it is easily absorbed by the cotton wicks inside an atomizer.

Flavorings

The flavorings used in e-liquids are food-grade concentrates. These are the same types of flavorings used in the food industry for candies, drinks, and baked goods. They are specifically formulated to be stable when heated and inhaled. Flavor profiles range from simple single-fruit notes to complex desserts, cereals, and traditional tobacco blends.

Nicotine

Nicotine is an optional ingredient in most e-liquids. It is typically extracted from tobacco plants and purified before being added to the VG/PG base. Many brands offer "0mg" versions of their flavors for those who enjoy the experience without nicotine.

Understanding PG/VG Ratios

When you look at a bottle of e-liquid, you will often see a ratio like "70/30" or "50/50." This refers to the balance of PG and VG in the mixture. This ratio determines which type of device the liquid is best suited for.

70/30 Ratios (High VG)

A 70/30 ratio means the liquid is 70% VG and 30% PG. This is the standard for sub-ohm vaping. Sub-ohm vaping refers to using a coil with a resistance lower than 1.0 ohm.

These liquids are thicker and require more power to vaporize. They are designed for large box mods like the Vaporesso Gen 200 220W Box Mod and tanks that have big airflow ports and large wicking holes. If you use a high VG liquid in a small, low-powered pod system, the coil may not be able to wick the thick fluid fast enough, leading to "dry hits" or a burnt taste. (vaporauthority.com)

50/50 Ratios (Balanced)

A 50/50 ratio is a balanced blend. These liquids are much thinner than 70/30 blends. They are ideal for smaller devices like pod systems or basic starter kits. These devices usually have smaller coils that struggle with thick VG. The higher PG content ensures the coil stays saturated, and it provides a more pronounced throat hit. (vaporauthority.com)

Max VG

"Max VG" liquids contain the highest possible amount of vegetable glycerin, often 80% or higher. These are used primarily by "cloud chasers" or those with a specific sensitivity to propylene glycol. These liquids are very thick and are almost exclusively used with rebuildable drippers or high-wattage sub-ohm tanks.

Nicotine Salts vs. Freebase E-Liquid

The name of the liquid can also change based on the type of nicotine used. There are two primary categories: freebase nicotine and nicotine salts.

Freebase Nicotine

Freebase nicotine was the standard for the industry for many years. It is the purest form of nicotine. In higher concentrations, freebase nicotine can feel very harsh on the throat. For this reason, freebase e-liquids are usually sold in lower strengths, such as 3mg, 6mg, or 12mg. This type of e-liquid is generally what people mean when they use the general term "e-juice" in the context of large clouds and high-wattage devices. (vaporauthority.com)

Nicotine Salts (Nic Salts)

Nicotine salts, or "nic salts," are a different formulation. By adding a specific acid (usually benzoic acid) to the nicotine, manufacturers can lower the pH level. This results in a much smoother inhale, even at very high nicotine concentrations.

Nic salts are typically found in strengths ranging from 25mg to 50mg. Because of the high nicotine content, they should never be used in high-wattage sub-ohm tanks. They are designed specifically for low-power pod systems and "mouth-to-lung" (MTL) devices. MTL vaping is a style where the vapor is drawn into the mouth first and then inhaled into the lungs, similar to how one might use a traditional cigar. Nicotine Salt E-Liquids are built around this style of device use. (vaporauthority.com)

Matching the Liquid Name to Your Device

Choosing the right name and type of liquid is crucial for the longevity of your hardware. Using the wrong liquid can cause leaking, gurgling, or premature coil failure.

For Pod Systems

If you have a small, portable pod system (like those made by SMOK, Vaporesso, or Aspire), you are likely looking for "Nicotine Salts" or "50/50 E-liquid." These devices are designed for thinner liquids and higher nicotine concentrations. The small coils in these pods need the thin consistency of these liquids to function correctly. (vaporauthority.com)

For Sub-Ohm Tanks and Box Mods

If you have a large device with a glass tank and a screen that allows you to change the wattage, you are looking for "High VG E-liquid" or "Freebase E-juice." These devices are built to handle thick clouds and lower nicotine strengths (typically 3mg or 6mg). Using a high-strength nicotine salt in a sub-ohm tank at high wattage can result in an uncomfortably high nicotine intake. The Aspire Athos Sub Ohm Tank is one example of this style of hardware. (vaporauthority.com)

Battery Safety Reminder

When using box mods or any device with external batteries, safety is paramount. Always use the manufacturer-recommended batteries, such as high-quality 18650 or 21700 cells. Inspect your battery wraps regularly for any tears or nicks. If a wrap is damaged, do not use the battery; it must be re-wrapped or replaced. Always carry spare batteries in a dedicated plastic case, never loose in your pocket or bag where they could touch metal objects like keys or coins. Use a dedicated external charger whenever possible rather than the USB port on the mod to ensure a balanced and safe charge.

Why Quality and Origin Matter

The names on the bottle only tell part of the story. The quality of the ingredients is what defines the experience. At Vapor Authority, we are committed to providing only the highest quality products.

We exclusively carry US-made e-liquids. This is important because US-based labs follow strict manufacturing processes and use food-grade and pharmaceutical-grade ingredients. Every e-liquid we offer is tested by our team before it is added to our inventory. We work directly with manufacturers and authorized distributors to ensure that every bottle of e-juice is 100% authentic. This eliminates the risk of "clones" or counterfeit products that may use sub-standard ingredients. About Us explains more about that approach. (vaporauthority.com)

Proper Storage of Your E-Liquid

Once you have identified the right liquid for your needs, proper storage is necessary to maintain its flavor and nicotine integrity.

  • Avoid Light: Exposure to direct sunlight can cause the nicotine to oxidize, which turns the liquid a darker brown color and can alter the flavor.
  • Keep It Cool: Heat can thin the liquid and degrade the flavorings. Store your bottles in a cool, dark place like a drawer or a cupboard.
  • Safety First: E-liquids should always be kept out of reach of children and pets. Most bottles feature child-resistant caps, but these are not child-proof. Always ensure the caps are tightened securely after every use.
  • Check the Date: While e-liquid does not "spoil" like food, the flavor and nicotine will eventually degrade over time. Most liquids have a shelf life of about one to two years from the date of manufacture.

Key Differences Summary

To help simplify the many names and types, here is a quick breakdown of what to look for based on your goals:

  • Maximum Clouds: Look for "High VG" or "70/30" E-liquid.
  • Strong Throat Hit: Look for "High PG" or "Freebase" liquid with 12mg+ nicotine.
  • Smooth High Nicotine: Look for "Nicotine Salts" or "Nic Salts."
  • Small Device/Pod Compatibility: Look for "50/50" or "Nic Salts."
  • Large Mod/Tank Compatibility: Look for "Freebase" 3mg or 6mg E-liquid.

Conclusion

The terminology surrounding vape juice can seem complex, but it mostly boils down to a few key terms: e-liquid, e-juice, and nic salts. Knowing these names—and understanding the PG/VG ratios behind them—ensures that you select a product compatible with your device. Whether you prefer the thick clouds of a high-VG blend or the smooth satisfaction of nicotine salts, the right choice depends on your hardware and your personal preferences.

  • E-liquid and E-juice are the standard industry terms.
  • Avoid using "vape oil" to prevent confusion with non-vaping products.
  • Match your PG/VG ratio to your specific device type.
  • Always prioritize quality by choosing lab-tested, US-made liquids.

If you are ready to find your next favorite flavor, we invite you to browse our extensive selection of premium, US-made e-liquids. We carry the industry’s most trusted brands, ensuring you receive authentic products every time you shop. Explore the collection at Vapor Authority today to find the perfect match for your setup. Disposable Vapes and 20,000+ Puff Count Disposable Vapes are two popular places to start browsing. (vaporauthority.com)

FAQ

Is there a difference between e-liquid and e-juice?

No, there is no technical difference between e-liquid and e-juice. Both terms refer to the same fluid used in vaporizers, consisting of PG, VG, flavorings, and nicotine. The choice of which term to use usually depends on the branding of the manufacturer or the preference of the vaper.

Is it okay to call it "vape oil"?

While common, calling it "vape oil" is technically incorrect. E-liquids are water-soluble and made from vegetable glycerin and propylene glycol, not oils. Using actual oil-based products in a standard nicotine vaporizer can damage the device and is not recommended for inhalation.

What is the liquid in a disposable vape called?

The liquid inside a disposable vape is typically a nicotine salt e-liquid. Because disposable devices are small and low-powered, they use nic salts to provide a smooth experience and efficient nicotine delivery. The specific ratio is usually optimized by the manufacturer for that specific device's coil and battery. Disposable Vapes is the main category to browse for that device type. (vaporauthority.com)

What does "premium e-liquid" mean?

"Premium e-liquid" generally refers to products made in professional, ISO-certified laboratories using high-grade ingredients. These liquids undergo rigorous testing for consistency and purity. At Vapor Authority, we only stock premium, US-made e-liquids to ensure our customers receive the highest quality experience possible. About Us covers our authenticity and fulfillment approach. (vaporauthority.com)

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