Private Label Peptide Serum
Multi-peptide firming serums for the premium shelf — priced and dosed where real peptides live.
Why a fluid is checked against a sample, not a number
Assay and pH tell you whether the chemistry is right; they do not tell you whether the product looks the way the buyer approved. Colour and clarity are read against the retained Golden Sample.
Production runs on GMPC and ISO 22716 certified lines under manufacturing licence 粤妆20250206, traceable from raw material to carton on every batch.
Pack, claim and level options
- Stack design: 2-peptide budget to 5-peptide premium
- Airless or UV glass packaging to protect actives
- Firming claim documentation per batch
- Eye-cream and neck-cream companion SKUs
- Copper-only builds kept separate from acid systems
What this fluid is built around
INCI names and typical levels reflect publicly documented formulation practice. All values are adjustable in your build.
| Ingredient (INCI) | Typical Level | Function & Benefit |
|---|---|---|
| Palmitoyl Tripeptide-1 + Palmitoyl Tetrapeptide-7 | 2–3% | Signal pair for firmness messaging |
| Acetyl Hexapeptide-8 | 3–5% | Expression-line relaxer |
| Copper Tripeptide-1 | 1–2% | Regeneration support, dedicated builds |
| Matrixyl 3000-class blends | 2–5% | Retail-recognized firming system |
Where a fluid build succeeds or fails
A buffer has a capacity
A buffer holds pH only across a limited range of incoming acid or base. Beyond that it gives way, so the capacity is checked against what the formula will actually meet rather than assumed.
Viscosity keeps building after fill
Polymer-thickened fluids can continue to develop structure for days after filling. Specification limits are written for the settled product, not for the freshly made one.
Solubiliser levels move the viscosity
The surfactant used to dissolve an oil-soluble active also changes the rheology of the base, sometimes markedly. The two are tuned together rather than one after the other.
Headspace oxygen
Air left in the bottle keeps reacting after fill. Low-oxygen filling removes most of the oxygen the product will ever encounter.
Peptides are the premium anti-aging story, and they are also where formulary honesty matters: genuine signal peptides are dosed at 2–5% and cost accordingly — a 'peptide serum' at drugstore pricing usually contains trace levels. We document the INCI position so your claims survive scrutiny.
Stacks combine carrier peptides for penetration, signal peptides for collagen messaging and relaxer peptides for expression-line softening. Copper peptides are kept in dedicated builds because copper and direct acids fight in the same bottle.
Other fluid systems we manufacture
Private Label Copper Peptide Serum
GHK-Cu regeneration serums built acid-free, in dedicated systems that protect the copper complex.
Private Label Anti-Wrinkle Cream
The results-claims flagship — peptide stacks and retinol tiers with documentation to match.
Private Label Eye Cream
The highest-margin small SKU — de-puffing, firming and brightening routes from 15 ml.
Buyer guides for this build
Before you brief a supplier on this category, these are the guides that answer the questions buyers ask next — timelines, order quantities, cost structure and compliance.
Questions we answer on every serum brief
Why are peptide serums more expensive to produce?
Genuine signal peptides are dosed at 2–5% and the raw material is costly. Trace-dose 'peptide' serums are cheaper but do not support firming claims — we build the honest version.
Can copper peptide coexist with vitamin C?
Not in the same bottle — copper and ascorbic acid interact. We build them as separate SKUs in a routine, which also increases your basket size.
Which packaging protects peptides best?
Airless pumps minimize air contact and are our default for peptide builds.
Order quantities by pack size
Mixed-variant orders can split the stated MOQ across formats under one brand.
| Format / Specification | MOQ | Lead Time |
|---|---|---|
| Signal peptide 2% + HA, 30 ml airless | 1,000 pcs | 10–15 days |
| 5-peptide complex, 30 ml airless | 1,000 pcs | 10–15 days |
| Copper tripeptide-1 gel, 30 ml pump | 1,000 pcs | 10–15 days |
| Peptide + ceramide rich cream, 50 ml jar | 1,000 pcs | 10–15 days |
MOQ and lead time above are the standard liquid, cream and gel route. The real minimum is set by the manufacturing system rather than the category: surfactant systems (shampoo, body wash) start at 2,000 pcs, stick formats at 3,000, and powders and sheet masks at 5,000 — with longer production runs to match.
How the system is locked before scale-up
- 1
Adjust and hold the pH
pH is set with the buffer system and then held, rather than corrected repeatedly at the end of the batch.
- 2
Dose the chelator against the water
The chelation level follows the incoming water and raw materials rather than a fixed line, because trace metals vary from source to source.
- 3
Run preservation and stability together
Both studies run against the finished matrix, across the temperature range of the destination market.
- 4
Hold for microbiological release
For a fluid the microbiological result is often the last gate before filling, and the batch waits for it.
Viscosity without weight is the whole craft of a fluid
A serum should feel like water and behave like a gel, and that combination is built with polymer choice and dosage rather than with more thickener. The two properties pull in opposite directions.
Push it one way and the product drips off the dropper; push it the other and it leaves a film on the skin. The sensory outcome of a fluid is decided in the rheology long before it is described on the pack.
Where each route fits a brief
The base is chosen around the least stable thing in the formula rather than around the headline ingredient.
| Route | Barrier it needs | Where it fits |
|---|---|---|
| Low-water fluid | Airless or aluminium-barrier pack | Actives sensitive to oxygen and light |
| Biphasic | Two phases, shaken before use | Formats that need an activation step |
| Buffer-controlled fluid | Standard pack, tight pH control | Actives that only work in a narrow pH window |
| Glycol-rich fluid | Modest barrier, higher water activity | Actives that need solubility more than protection |
Send the product you are matching
If there is a serum whose texture you want to reproduce, send it. Reverse development rebuilds a comparable base, and your approved sample becomes the production reference.