Most emulsions are formulated for one set of conditions. Lower the pH, add solids or salts, or extend storage time, and they separate. Vault Emulsion is formulated to stay stable across all of these.
Cannabinoids are oils, and most beverages are water. Without a stable emulsion, the oil separates over time. It binds to packaging, rises to the surface, or merges into larger droplets, and measured potency drops the longer the product sits.
Vault Emulsion keeps droplets small and evenly dispersed across pH, solids, and electrolyte levels. In testing, 97% of initial potency remained after 12 months at 77°F.
Five mechanisms account for most potency loss in infused beverages. Each one starts with droplets that are too large, too varied in size, or not held apart.
Cannabinoid is absorbed by can liners, bottles, and closures.
Droplets rise and concentrate near the surface.
Droplets form loose clusters that no longer disperse evenly.
Clusters merge into larger droplets and eventually separate as oil.
Small droplets shrink as large ones grow, until the emulsion breaks.
Four design choices do most of the work: how droplets are kept apart, how uniform they are in size, how small they are, and how closely the two phases match in density.
Charge-stabilized emulsions rely on electrostatic repulsion between droplets, which acids and salts neutralize. Vault Emulsion uses a physical stabilizing layer around each droplet that prevents contact regardless of pH or ionic strength.
Each pass through the homogenizer breaks up the largest droplets and narrows the size distribution. Large droplets drive creaming and coalescence, so a narrow distribution is central to stability.
Oil is lighter than water, so droplets rise. We match the density of the oil phase to the water phase, so buoyancy has nothing to work with and the droplets stay where they are put, in any base.
We target droplets of 150 nanometres and under. At that size gravity and Brownian motion balance, light passes through with little scatter, and there is no large tail of droplets to cream or coalesce.
The three stages every batch goes through, from a coarse pre-mix to a finished nanoemulsion.
Vault Emulsion Concentrate, lot VE-2608, tested by an independent ISO/IEC 17025 lab
Figure 1. Potency over 12 months, % of initial
Table 1. Stability across beverage conditions, 90 days
| Condition | Test base | Potency retained | Visual | Result |
|---|---|---|---|---|
| Low pHCitrus, carbonated | Lemon seltzer, pH 2.8 | 99% | No ring | Pass |
| High solidsJuice, protein | Orange juice, 12% solids | 98% | No settling | Pass |
| ElectrolytesSports, mineral | Sports drink, 450 mg Na | 98% | No clumping | Pass |
| DensitySyrups | Simple syrup, 1.3 g/mL | 97% | No creaming | Pass |
| Heat cyclingTransport | Seltzer, 40–100°F × 10 | 97% | No oiling | Pass |
Table 2. Gummy performance
| Test | Method | Result |
|---|---|---|
| Heat tolerance | 8 hours at 120°F | No deformation or fusing |
| Dose uniformity | 30 pieces per batch, HPLC | ±5% of target |
| Shelf stability | 12 months at 77°F | Potency and texture within spec |
Stable potency means the amount on the label is the amount measured at the end of shelf life. Full methods and lab reports are available on request.
Includes methods, lab details, and full data tables.
Let us know what you make, your base requirements, and your dose per serving, and we’ll send samples of what we can do.