Nano-Emulsification & Liposomal Suspension
Driving droplets or lipid vesicles down to the nanometre scale with high-energy homogenization — to carry a poorly soluble active in a clear, water-based product and improve how it’s absorbed.
Make the droplet tiny enough to change how it behaves.
Nano-emulsification reduces oil-in-water droplets — or builds lipid vesicles, liposomes — to the nanometre scale using high-energy homogenization, to improve the solubility, absorption, or delivery of an active. The droplets or vesicles are so small and uniform that they stay suspended, look clear or translucent, and can carry a poorly soluble active in a water-based product where it otherwise couldn’t go.
Size is what changes the behavior: below a certain scale an emulsion stops looking milky, stops creaming, and starts behaving more like a solution — and a liposome can wrap the active in a lipid shell that targets how it’s delivered.
The levers are the surfactant/lipid system, homogenization pressure and passes, temperature, and the resulting size distribution. The system chemistry decides whether the nanoscale droplets stay stable; the homogenizer decides whether you reach the size at all, and how reproducibly.
A coarse pre-emulsion is formed, then driven through a high-pressure homogenizer or microfluidizer — often several passes — to push size into the nanoscale; for liposomes, lipids self-assemble into vesicles around the active. Particle size is verified and the bulk stabilized.
Process flow
Oil phase (with the lipophilic active or lipids) and aqueous phase with surfactant prepared
Coarse pre-emulsion formed
Pre-emulsion passed through a high-pressure homogenizer or microfluidizer (often multiple passes) to reach the nanoscale
For liposomes: lipids self-assemble into vesicles encapsulating the active
Particle-size distribution verified; bulk stabilized
A nano-emulsion or liposomal suspension at a controlled particle size
The whole benefit rides on reaching — and holding — the size.
Better absorption, a clear product, a delivery claim — all of it depends on actually reaching the nanoscale and on the active staying encapsulated. Particle size is the critical attribute here, full stop. If it drifts large, or the system destabilizes through Ostwald ripening or aggregation, both the bioavailability claim and the appearance fail at once.
And because the appeal is often an enhanced-absorption claim, the product invites substantiation scrutiny that a plain emulsion doesn’t. The discipline is per-batch particle-size data against a defined spec, demonstrated physical stability over shelf life, measured encapsulation efficiency for liposomes, controlled and recorded homogenization pressure and passes, real substantiation behind any absorption claim, and specified lipid/surfactant grade with oxidation control.
The governing rule follows the product class; a particle-size spec, physical-stability data, and substantiation for any absorption/bioavailability claim anchor the rest.
Why a maker goes nano — and what they trade.
Nano and liposomal delivery buy absorption and clarity. Knowing what it was chosen over tells you what the active needed.
Conventional (macro) emulsion
A macro-emulsion is simpler and needs no high-energy equipment.
Microencapsulation
Microencapsulation protects dry particles for a solid product.
Simple solubilization
Solubilizing with co-solvents is the low-tech route to a clear liquid.
The gaps a reviewer looks for on a nano-emulsion.
None of these are exotic. They’re the quiet places a nano or liposomal product drifts away from its own claim — recognizable the moment you’ve run one.
Particle-size distribution isn’t measured per batch, or has no spec — so the nano claim is unverified.
Physical stability isn’t demonstrated — ripening, aggregation, and size growth over shelf life left unproven.
Encapsulation efficiency for liposomes isn’t measured.
Homogenization pressure and passes run uncontrolled, so size varies run to run.
Enhanced-absorption or bioavailability claims lack substantiation.
Surfactant/lipid grade and oxidation aren’t specified or tracked.
Six things to check against your own records.
Not an audit — a read you can run yourself before anyone else does. Pull one recent batch and walk it.
Ask for per-batch particle-size data against a defined spec.
Check physical-stability data (size growth, aggregation) over shelf life.
For liposomes, review encapsulation efficiency.
Confirm homogenization pressure and pass count are controlled and recorded.
Look at the substantiation behind any absorption or bioavailability claim.
Review lipid and surfactant grade and oxidation controls.
The same operation, across very different actives.
The active and carrier change — the discipline never does: reach the size, prove it holds, substantiate the claim.
Enhanced-absorption actives
Carrying poorly soluble nutraceuticals — curcumin, CoQ10, cannabinoids — in nano or liposomal form, where the absorption claim has to be substantiated and the size proven.
Liposomal & nano drug delivery
Encapsulating drugs in liposomes or nano-emulsions to target delivery and raise bioavailability, with size and encapsulation as critical quality attributes.
Clear serums & delivery systems
Building clear, fast-absorbing serums and liposomal delivery for skincare actives under MoCRA, where clarity and stability are the appeal.
Clear functional beverages
Dispersing oil-soluble flavors and actives into clear beverages without clouding, where nanoscale droplets stay invisibly suspended.
Know the process. Now decide how far to take it.
These doors connect to this technology. None outranks another — pick the one that fits where you are.
Training
A course on nano-emulsification and liposomal delivery and the standard it has to meet — so your team understands particle-size control, stability, and claim substantiation before they run or review the step.
Browse trainingService
Send us one record from this step — a particle-size result, a stability study, an encapsulation-efficiency assay — and get a written read on whether it holds up, and what would close the gap.
See servicesAssessment
Your held documents for this step graded against the standard’s rubric — a readiness matrix of what passes, what’s a gap, and what’s at risk.
See assessmentsProgram
A complete, buy-and-go document system for the standard this step has to satisfy — download it all, or follow the guided build. No meetings required.
Explore programsConsulting
When the productized options don’t fit — a scoped, senior review of your situation and a written path, by inquiry.
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