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WS-517 is a specialized, menthol-derived cooling agent used in e-liquids and other flavor applications to provide a long-lasting, intense cooling sensation without the strong minty taste or odor associated with traditional menthol. It is designed to create a "cold" feeling rather than a sharp, icy, or burning sensation, making it popular in fruity or "ice" flavored vape products.
Key Characteristics of WS-517:
- Targeted Cooling: Provides a fast-acting effect primarily focused on the roof of the mouth, the back of the mouth, and the back of the tongue.
- Flavor Profile: It is practically odorless and tasteless, ensuring it does not alter the intended flavor of the e-liquid.
- Longevity: Offers a long-lasting cooling effect that can last for 15-30 minutes, often superior in duration to basic menthol.
- Heat Resistance: Features good heat stability up to , making it stable during the vaporization process.
- Usage: It is often used as a substitute for traditional menthol to achieve high-intensity cooling (sometimes marketed as "koolada").
Comparison with Other Cooling Agents:
- WS-517/WS-5 vs. WS-23: While WS-517 is similar to other WS-series compounds, it is often touted for its specific intensity. WS-23 is known for cooling the front of the mouth and being very smooth.
- Vs. Menthol: Unlike menthol, WS-517 does not have a harsh, burning, or stinging sensation.
Disclaimer: Synthetic cooling agents, including those in the WS series, are sometimes used at high levels in e-cigarettes, and their safety at these levels is still being studied by regulatory agencies like the FDA.
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WS-517 - Anhui Chinaherb Flavors and Fragrances
SpecialChem
https://www.specialchem.com › cosmetics › product › an...
SpecialChem
https://www.specialchem.com › cosmetics › product › an...
WS-517 by Anhui Chinaherb Flavors and Fragrances is a menthol-derived cooling agent. It has good heat resistance. It offers long lasting cooling and ...Read more
Missing: E- Liquid
Cooling Agent WS-5 - Koolada Flavor Concentrate - Vegan
Amazon.com
https://www.amazon.com › Cooling-Agent-10ml-Koola...
Amazon.com
https://www.amazon.com › Cooling-Agent-10ml-Koola...
Discover the powerful cooling of WS-5 - liquid in propylene glycol! Perfect for drinks; sweets or cosmetics. Vegan; allergen-free and highly pure.Read more
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It provides a smooth and well rounded cooling effect and primarily affects the roof of the mouth and the back of the tongue. Recommended Mixing Percentage: 0.5% ...Read more
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Anhui Chinaherb Flavors&Fragrances Co.,Ltd.
https://www.cnherbflavor.com › top-quality-cooling-age...
Anhui Chinaherb Flavors&Fragrances Co.,Ltd.
https://www.cnherbflavor.com › top-quality-cooling-age...
E-liquid Use Ws-517 cooling agent powder · Menthol Substitute Product Cooling agent Ws-517. WS-517 is one of the most widely used cooling agents and is derived ...Read more
What is WS-5 Cooling Agent and How Does It Work?
Rebecca Bio
https://www.rebeccabio.com › knowledge › what-is-ws-...
Rebecca Bio
https://www.rebeccabio.com › knowledge › what-is-ws-...
Mar 19, 2025 — WS-5 Cooling Agent is a white, crystalline powder that belongs to the family of menthyl esters. Unlike natural cooling compounds like menthol, ...Read more
Difference between cooling agent WS-23 and WS-3 and ...
Titanos Group
https://www.titanos.com › news › Market
Titanos Group
https://www.titanos.com › news › Market
Nov 24, 2023 — Cooling agent WS-3, WS-23 and WS-5 are all upgraded alternatives to traditional menthol. They all have the cooling sensation of menthol, but have no or weak ...Read more
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Synthetic Cooling Agents in US-marketed E-cigarette Refill ...
bioRxiv
https://www.biorxiv.org › content
bioRxiv
https://www.biorxiv.org › content
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Feb 5, 2022 — European-marketed Juul menthol pods contained the synthetic cooling agent WS-3, while US ... One E-liquid contained WS-23 exclusively. 206. ( ...Read more
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Cooling Agent Hierarchy: WS-3 vs. WS-5 vs. WS-23 Usage ...
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Jan 10, 2026 — Master the science of vape cooling agents. A 3000-word technical guide on when to use WS-23, WS-3, and WS-5. Learn about TRPM8 receptor ...
Cooling Agent WS-5 Flavour Concentrate
Vapable
https://vapable.com › DIY E Liquid
Vapable
https://vapable.com › DIY E Liquid
Oct 10, 2024 — WS-5 is one of the strongest of all the cooling agents and is derived from menthol, although it is virtually odourless and has no taste.Read more
Cooling agent WS-12 in comparable with WS-3 WS-23 WS-5
LinkedIn · Niki Wang
2 reactions · 2 years ago
LinkedIn · Niki Wang
2 reactions · 2 years ago
WS-3 and WS-23 are the most widely used coolants in the confectionery industry, but WS-12 lasts roughly six to eight times longer than both these ingredients.Read more
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