WS-27: Subtle Cooling for Sophisticated Palates
Not every product needs to scream "ICE COLD!" Some of the most successful formulations in the market rely on subtle, refined cooling that enhances rather than dominates the user experience. Enter WS-27 (CAS 51115-70-9): the cooling agent designed for formulators who prioritize elegance over extremity.
Key Differentiators of WS-27
| Certification Status | FEMA 3784 (Flavor Extract Manufacturers Association) โ | SC Certified for Food Use โ |
| Purity Standard | โฅ94% |
| Cooling Character | Gentle, pleasant, well-rounded, soft onset |
| Best For | Delicate flavors, premium products, sensitive-user formulations |
What "Gentle Cooling" Really Means
WS-27's sensory profile is distinctively different from its more aggressive siblings:
| Attribute | WS-27 | WS-23 (for comparison) |
|---|---|---|
| Onset Speed | Slow, gradual build-up | Fast, immediate |
| Peak Intensity | Moderate | Very High |
| Duration | Medium-long | Long |
Why FEMA Approval Matters
WS-27 carries FEMA GRAS status (FEMA 3784), meaning it has been evaluated and recognized as safe for use in food flavor applications by the Flavor Extract Manufacturers Association. This is particularly important for:
- Food flavor manufacturers who need FEMA-compliant ingredients for their flavor compound formulations
- Beverage companies producing products for North American markets where FEMA status streamlines regulatory approval
- Export-oriented producers shipping to countries that reference FEMA standards in their food additive regulations
In addition to FEMA status, WS-27 holds SC certification (China food-use approval), enabling legal inclusion in food products manufactured or sold within mainland China.
Ideal Applications for WS-27
Delicate Flavor Systems
Light floral, subtle fruit, and refined botanical flavors can be overwhelmed by aggressive cooling. WS-27 adds a whisper of freshness without shouting over the main flavor notes. Think: white peach tea, elderflower tonic, cucumber-melon water.
Premium Personal Care
Luxury skincare brands positioning around "gentle refreshment" rather than "extreme cooling" find WS-27 perfectly aligned with their brand narrative. Anti-aging serums, luxury face mists, and premium aftershave balms are common fits.
Children's Products
Kids' toothpaste, children's vitamins (gummy/chewable), and youth-targeted oral care benefit from WS-27's approachable cooling that won't startle young users.
Blended Cooling Formulations
WS-27 excels as the "finisher" in multi-agent blends. Pair it with a fast-onset agent like WS-23 for a two-stage experience: immediate impact โ gentle, lingering aftermath.
Ordering WS-27 from Baisifu
Baisifu is a primary manufacturer of WS-27 with FEMA 3784 and SC certifications on file. Samples available for qualified food and cosmetic companies. Volume pricing starts at orders of 10kg+.


