When people think about a cooling sensation, the first ingredient that usually comes to mind is menthol. For decades, menthol has been the most widely recognized cooling ingredient in products such as chewing gum, candies, toothpaste, oral care products, cosmetics, and personal care items. However, with the rapid development of the flavor, fragrance, and consumer goods industries, a new generation of cooling agents has emerged to provide stronger, longer-lasting, and more customizable cooling experiences.
Today, synthetic cooling agents, especially the WS cooling agent series, have become increasingly popular among manufacturers looking for alternatives to traditional menthol. These cooling agents are designed to deliver a clean, refreshing sensation without the strong mint aroma or bitterness associated with natural menthol.
So, what is the most common cooling agent today? The answer depends on the application. Menthol remains the most common traditional cooling agent, while WS-series cooling agents are among the most widely used modern cooling solutions in industrial applications.
Menthol: The Traditional Cooling Agent
Menthol is a naturally occurring compound primarily extracted from peppermint oil. It creates a cooling sensation by activating the body's cold-sensitive receptors, especially the TRPM8 receptor, which sends signals to the brain that are interpreted as coldness.
Because of its familiar mint flavor and strong cooling effect, menthol has been used in:
Mint candies and chewing gum
Toothpaste and mouthwash
Lip balms
Skincare products
Pharmaceuticals
Tobacco and vaping products
Despite its popularity, menthol has some limitations. It comes with a noticeable mint taste and aroma, and at high concentrations it may create a burning or harsh sensation. For product developers who want cooling without additional flavor impact, modern cooling agents provide a better solution.
The Rise of WS Cooling Agents
The WS cooling agent series was developed to provide a more flexible cooling experience. Unlike menthol, most WS cooling agents are nearly odorless and tasteless, allowing manufacturers to add freshness without changing the original flavor profile.
The main advantages of WS cooling agents include:
Long-lasting cooling sensation
Clean and smooth cooling effect
Low odor impact
Compatibility with various flavor systems
Adjustable cooling intensity
These characteristics make WS cooling agents popular in food, beverages, oral care, cosmetics, and personal care products.
WS-1 Cooling Agent: Fast and Clean Cooling
WS-1 is one of the earliest synthetic cooling agents used in commercial applications.
It provides a smooth cooling sensation with a relatively mild intensity. Compared with menthol, WS-1 offers less mint flavor and a cleaner cooling experience.
Common applications include:
Chewing gum
Hard candy
Breath fresheners
Oral care products
WS-1 is often selected when manufacturers want a refreshing effect while maintaining the original taste of a product.
WS-2 Cooling Agent: Balanced Cooling Performance
WS-2 is a popular cooling ingredient known for its gentle and long-lasting cooling effect.
Compared with traditional menthol, WS-2 creates a softer cooling feeling and is widely used in products where comfort is important.
Typical applications:
Toothpaste
Mouthwash
Cosmetics
Functional beverages
Its smooth cooling profile makes it suitable for products designed for daily use.
WS-3 Cooling Agent: One of the Most Popular Cooling Agents
Among modern cooling agents, WS-3 Cooling Agent is considered one of the most widely used options.
WS-3 provides a strong cooling sensation with minimal flavor influence. It creates a refreshing feeling mainly in the mouth and throat, making it especially popular in:
Chewing gum
Candy
Mints
Oral care products
Beverages
Many manufacturers choose WS-3 because it offers a good balance between cooling strength, stability, and cost-effectiveness.
WS-5 Cooling Agent: Strong and Long-Lasting Cooling
WS-5 is known as one of the strongest cooling agents in the WS family.
It provides an intense cooling sensation that develops slowly and lasts longer than many traditional cooling ingredients. Because of its powerful effect, WS-5 is often blended with other cooling agents to create customized cooling profiles.
Applications include:
Strong mint products
Functional foods
Oral freshness products
Flavor systems
For brands looking for a powerful "ice-cold" experience, WS-5 is a preferred choice.
WS-10 Cooling Agent: Advanced Cooling Technology
WS10 delivers a strong and clean cooling effect with excellent sensory performance.
It is often used when manufacturers need a high-impact cooling sensation without excessive mint flavor.
Popular applications:
Premium chewing gums
Cooling candies
Beverage flavors
Personal care products
WS-10 is valued for its ability to create a modern, refreshing sensory experience.
WS-12 Cooling Agent: Mild Cooling with Good Flavor Compatibility
WS-12 Powder provides a smooth cooling sensation and good compatibility with various flavor systems.
It is commonly used in products where a comfortable cooling feeling is preferred rather than an extremely intense sensation.
Applications include:
Candy
Beverage powders
Oral care products
Flavor blends
WS-23 Cooling Agent: Popular in Mouth and Throat Cooling
WS23 Powder is another highly popular cooling agent.
It creates a cooling sensation mainly in the mouth and throat area. Unlike menthol, WS-23 does not introduce a strong mint taste, making it ideal for fruit flavors and innovative flavor combinations.
Common uses include:
Fruit-flavored beverages
Energy drinks
Gummies
Vape flavors
Oral products
WS-23 has become especially popular because it works well with non-mint flavors such as fruit, berry, and tropical profiles.
WS-27 Cooling Agent: Strong Cooling Applications
WS27 Powder is designed for applications requiring noticeable cooling intensity.
It can be used alone or combined with other cooling agents to achieve specific sensory effects.
Manufacturers often use WS-27 in:
Confectionery products
Flavor concentrates
Refreshing consumer products
Which Cooling Agent Is the Most Common?
There is no single answer because different industries prefer different cooling profiles.
Menthol remains the most common traditional cooling ingredient worldwide because of its long history and recognizable mint flavor.
WS-3 is one of the most commonly used synthetic cooling agents due to its balanced performance.
WS-23 has become extremely popular in modern flavor applications because it works well with fruit and beverage products.
WS-5 and WS-10 are preferred when stronger and longer-lasting cooling is required.
In practice, many manufacturers do not use only one cooling agent. Instead, they combine different WS cooling agents to create a customized sensory experience. For example, WS-3 may provide the basic cooling effect, while WS-5 or WS-10 can enhance intensity and duration.
The Future of Cooling Agents
Consumer expectations for refreshing experiences continue to grow. People want products that feel cooler, last longer, and provide unique sensory experiences.
As a result, cooling agents will continue evolving. Modern WS cooling agents offer manufacturers more choices than ever before, allowing them to design products with precise cooling intensity, duration, and flavor compatibility.
From traditional menthol to advanced WS cooling technologies, cooling agents play an essential role in modern consumer products. Whether it is a piece of chewing gum, a bottle of beverage, a toothpaste, or a personal care product, the right cooling ingredient can transform an ordinary product into a refreshing experience.
So, what is the most common cooling agent? Menthol remains the classic answer, but WS-series cooling agents represent the future of customized cooling solutions.