Premium Cooling Agents & Koolada Powder Manufacturer from China
ZHII manufactures high-purity cooling agent powder — WS-23, WS-3, WS-5, WS-10, WS-11, WS-12, WS-27, WS-1, WS-2 and L-menthol crystals — supplying food, beverage, cosmetic, oral-care and flavor concentrate brands in 50+ countries.
🧪 Free samples
🚚 Ships to 50+ countries
Koolada WS Series & Menthol Crystals
Every grade ships with a Certificate of Analysis. Click any product for full specifications, applications and pricing.
BEST SELLERCooling Agent WS-23
CAS 51115-67-4
Odorless, no bitterness — the top choice for flavor concentrate and beverages.
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Cooling Agent WS-3
CAS 39711-79-0
Fast-acting, fresh menthol note for confectionery and oral care.
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Cooling Agent WS-5
CAS 68489-14-5
High-impact cooling with a slight mint character for candy and beverage.
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Cooling Agent WS-10
CAS 87061-04-9
Fast onset, strong cool burst for beverages and frozen desserts.
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Cooling Agent WS-11
CAS 87061-04-9
High-impact physical cooling for food, cosmetic and flavor concentrate use.
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Cooling Agent WS-12
CAS 68489-09-8
Long-lasting, low-volatility cooling ideal for cosmetics.
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Cooling Agent WS-27
CAS 51115-70-9
Extended-release cooling for long-freshness formulations.
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Cooling Agent WS-1
CAS 16052-40-7
Classic cost-effective coolant for mint confectionery.
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Cooling Agent WS-2
CAS 51115-71-0
Odorless, clean cooling for delicate flavor systems.
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L-Menthol Crystals
CAS 2216-51-1
Natural cooling agent & flavor with authentic mint character.
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WS-23 — The World’s Best-Selling Cooling Agent
WS-23 (2-isopropyl-N,2,3-trimethylbutyramide) delivers a clean, odorless, long-lasting cooling effect with none of menthol’s bitterness or tongue-tingling. It is the industry-standard coolant for flavor concentrates, beverages, confectionery, oral care and cosmetics.
Where Our Cooling Agents Are Used
From everyday food and beverages to personal care and next-generation flavor concentrates — ZHII cooling agents power refreshing experiences across industries.
Food & Confectionery
Mint candy, chewing gum, chocolate, jelly and dessert — WS-3 and WS-23 deliver a cool burst without altering flavor profiles.
Beverages & Dairy
Soft drinks, energy drinks, sparkling water, ice cream and cocktails use WS-23 and WS-10 for a fresh, clean mouthfeel.
Flavor Concentrate & Beverage
WS-23 is the industry-standard coolant for flavor concentrates: odorless, stable at high VG/PG ratios, with no menthol aftertaste.
Oral Care & Cosmetics
Toothpaste, mouthwash, lip balm, shave cream and skin-care formulas use WS-12 and WS-27 for gentle, long-lasting coolness.
Pharma & OTC
Throat lozenges, topical analgesics, nasal strips and patches — cooling agents provide soothing relief with consistent purity.
Plant Extracts & Flavors
We also supply menthol crystals, caryophyllene, spice oleoresins and natural flavor ingredients for formulation houses.
Lab-Tested Purity, Packaging Built for Export
Every batch of ZHII cooling agents is analyzed by GC/HPLC before release. From 10 g evaluation samples to full container loads, packaging protects your powder from moisture, light and clumping all the way to your warehouse.
GC purity, melting point, moisture and heavy metals documented per lot.
Free 10–50 g samples; 1 kg foil bags; 25 kg fiber drums with double PE liners.
MSDS, TDS, COA, health certificate and origin documents for smooth customs clearance.
Why Buyers Worldwide Choose ZHII
ShaanXi ZhiYi Biotechnology has supplied flavor and fragrance ingredients for 18 years — here is what keeps customers coming back.
Factory-Direct Pricing
Buy directly from our Xi’an manufacturing facility. No middlemen, no markup — just competitive factory pricing on every grade.
Certified Quality System
ISO 9001, ISO 14001, KOSHER and HALAL certified production with full COA documentation on every shipment.
Fast Global Shipping
Stable inventory and reliable logistics to 50+ countries across the EU, Americas, Middle East and Southeast Asia.
Free Evaluation Samples
Test any cooling agent in your own formulation before committing — free samples shipped worldwide.
Technical Expertise
Nearly two decades in flavors & fragrances. We help you select the right WS grade and dosage for your application.
Dedicated Support
English-speaking sales team, quotation within 24 hours, and regulatory documentation support whenever you need it.
Certified Production You Can Trust
Cooling Agent Buying Questions, Answered
The questions B2B buyers ask most before ordering WS-series cooling agents from China.
What is cooling agent WS-23 and what does it taste like?
What is the difference between WS-23 and WS-3?
Do you offer free samples before bulk orders?
What is the MOQ, packaging and lead time?
Which certifications and documents does ZHII provide?
Learn More About Cooling Agents
In-depth technical guides on the WS series — properties, applications, dosage and sourcing tips.
Cooling Agent WS-23 (CAS 51115-67-4): The Odorless Cooling Powder Guide
Cooling Agent WS-3 (CAS 39711-79-0): N-Ethyl-p-Menthane-3-Carboxamide Guide
Cooling Agent WS-12 (CAS 68489-09-8): Long-Lasting Cooling for Cosmetics
Cooling Agent WS-1 (CAS 16052-40-7): Properties & Applications
Ready to Source High-Purity Cooling Agents?
Send us your target grade, quantity and application — get a competitive factory quotation within 24 hours. Free samples available for every cooling agent.