The Application of WS23 in the E-cigarette
WS 23 is a well-known cooling flavoring agent. As a cooling ingredient, it can be widely applied in food, cosmetics and industrial products, featuring long-lasting cooling and non-irritation. Today, let's not talk about the applications in these common fields. Instead, let's discuss the application of Cooling agent WS23 in the e-cigarette industry.
1. Core features: The advantages of WS 23 Powder as a cooling agent
(1)Powerful cooling sensation: Cooling agent WS 23 is one of the most potent synthetic cooling agents known to date. Its cooling effect is usually several times stronger than that of menthol, which means that the amount of addition required to achieve the same or stronger cooling effect is significantly reduced (typically 1/10 to 1/5 of the menthol dosage).
(2)Non-volatile (low vapor pressure) : This is the most crucial advantage that distinguishes WS 23 powder from natural cooling agents such as menthol. It is almost non-volatile at room temperature and has an extremely low vapor pressure.
- 2.1.Significance for traditional cigarettes: During the combustion process, most of it can be effectively transferred to the smoke, reducing the loss caused by high-temperature volatilization, improving the utilization rate and the stability of the cool sensation.
- 2.2. The significance for new tobacco products:
- 1)Heating non-combustible products: At relatively low heating temperatures (<350°C), cooling agent WS-23 can be more effectively released from tobacco substrates or sheets and transferred to smoke aerosols, maintaining a strong cooling sensation. Menthol may evaporate too quickly or partially decompose at this temperature.
2)E-liquid: Under normal temperature atomization conditions, its non-volatility enables it to stably exist in the e-liquid and be efficiently inhaled along with aerosols, providing a lasting and intense cooling sensation. Menthol may be lost during storage or use due to its volatility.
(3)"Pure coolness"/" fragrance-free "coolness:
3.1. No distinct odor: WS-23 powder itself has almost no odor (unlike menthol which has a strong minty characteristic aroma).
3.2. It does not affect the original aroma of tobacco: This characteristic enables it to provide a pure refreshing sensation without masking or interfering with the inherent aroma and flavor of tobacco. This is crucial for tobacco products that emphasize the original flavor of tobacco or complex blended flavors.
(4)Good chemical stability: WS-23 cooling remains relatively stable under normal processing and storage conditions and is not prone to decomposition or adverse reactions with other components.
(5)Solubility: cooling agent ws 23 soluble in common solvents such as propylene glycol, glycerin (the main component of e-liquid), ethanol, etc., and is convenient for uniform addition and dispersion in various tobacco products.
(6)Long-lasting effect: Due to ws 23 non-volatility and stability, the cooling sensation provided in the mouth and throat usually lasts for a relatively long time.
2. The WS 23 Cooling Specific application scenarios in the tobacco industry
New tobacco products (Core application fields) :
- E-liquid
1)The dominant cooling flavoring agent: WS-23 is almost the standard configuration and core ingredient of the modern "Icy" series e-liquids.
Provide core coolness: Whether it's fruity, beverage, sweet or tobacco e-liquid, adding WS-23 is the most direct and effective way to give it a "refreshing" taste.
2)Flexible dosage: Depending on the desired cooling intensity (from slightly cool to "explosive cooling/freezing sensation"), the addition amount is usually between 0.1% and 2.0%, or even higher.
3)Compound use: It is often used in combination with other cooling agents such as menthol, WS-3, WS-5, WS-12, and menthol lactate, etc., to create different layers and textures of cooling experiences (for example, WS-23 provides a strong "impact", while WS-3 or menthol offers a milder "diffusion").
- Heated non-combustible products
1)Tobacco sheet/cartridge filler: Add WS-23 cooling to the tobacco material of recycled tobacco sheets or cartridges. When heated at low temperatures, its non-volatility ensures that it can effectively release and enter the flue gas aerosol, providing a clear and intense cooling sensation.
2)Essence capsules: Sometimes they are contained within essence capsules and released when crushed, instantly enhancing the coolness.
3)Advantages: In the relatively mild heating environment of HNB, WS-23 can provide a more stable and intense cooling sensation compared to menthol, and has a smaller impact on the original flavor of tobacco.
- Mouthpiece/nicotine bag
1)Direct addition: Add to tobacco powder or plant fiber matrix.
2)Provide lasting coolness: During the process of oral ingestion, WS-23 is slowly released, providing a long-lasting cooling stimulus and enhancing the product experience.
a. Traditional cigarettes (Supplementary application) :
Filter tip additive: Dissolve WS-23 in a solvent, inject it into the filter tip through the filter tip forming paper or filament bundle, or make it into a burst bead and place it inside the filter tip.
b. Tobacco shreds processing: Added to the tobacco shreds during the seasoning or flavoring stage.
c. Objective:
1)Enhance/Supplement the coolness: In mint cigarettes, when used in combination with menthol, it can enhance the overall intensity of the coolness or reduce the mint flavor while maintaining the coolness.
2)Create "mint-free" cool cigarettes: By taking advantage of its "fragrance-free" feature, develop special cigarette products with a cool feeling but no mint aroma to meet the needs of specific consumer groups.
3)Enhance comfort: The coolness helps reduce the burning sensation of the smoke, making the suction smoother.
3. The WS 23 Application Technology and Consideration Factors
(1)Dosage control: WS-23 is highly effective, and precise control of the dosage is of vital importance. Excessive addition can cause overly stimulating sensations such as "coldness", "burning", and even "numbness", affecting comfort. The optimal dosage should be determined through sensory evaluation.
(2)Compounding strategy
- Blending with other coolants: such as WS-3 (providing a milder and more diffused coolness), menthol (offering a classic mint aroma and basic coolness), WS-12 (potent, similar to WS-23, sometimes used in combination or as a substitute), and menthol lactate (cool and slightly sweet). The compound can balance the intensity of coolness, the speed of onset, the duration, the distribution in the mouth and the overall flavor.
- Blending with flavor essences: Its "fragrance-free" characteristic enables it to blend perfectly into various flavor systems (fruits, beverages, desserts, tobacco, etc.), providing only a refreshing sensation without conflict.
(3)Carrier and Dissolution: In e-liquid, it dissolves in a PG/VG mixture. In traditional tobacco or HNB, ethanol, propylene glycol and other solvents are commonly used and added to tobacco materials or filter components through methods such as spraying, soaking or coating.
(4)Stability and compatibility testing: It is necessary to evaluate its chemical stability in the final product formula (long-term storage), compatibility with other components in e-liquid/tobacco (such as nicotine, flavorings, acid-base regulators), and thermal stability during the production process.
(5)Sensory evaluation: It is the core link of application. The professional inhalation/aroma evaluation team needs to assess the intensity of the coolness sensation, its onset speed, persistence, distribution in the mouth and throat, comfort, compatibility with flavors, and its impact on the overall characteristics of the smoke.
Cooling agent WS-23, with its core advantages such as super-potency, non-volatility (low vapor pressure), pure coolness (odorless type), good stability and solubility, has become an indispensable key coolant in the modern tobacco industry, especially in new tobacco products (e-cigarettes, non-combustible when heated, and smoke in the mouth). It is the core of the "ice sensation" experience in e-liquids, solving the problem of effectively releasing the cool sensation at low temperatures in heated non-combustible products, and is used in traditional cigarettes to enhance the cool sensation or create a mint-free cool sensation feature.
Xi'an Season Biotech.,China is specialized in R&D Production and Sell the Cooling agent over 10years in China.
Our main cooling agent as below:
Cooling agent-23/Cooling Agent WS 23/WS 23 Cooling/WS 23 Powder
Cooling agent WS 27
WS 5 Cooling Agent
Cooling Agent WS 3
Cooling agent WS 10
Menthol crystal mint
L-Menthyl lactate
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