Private Label Licorice Brightening Serum
The gentle brightener — root-derived glabridin for tone that evens quietly.

From brief to released fluid, step by step
- 1
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.
- 2
Choose the barrier pair
Oxygen and light barriers are selected together with the pack, since either one alone leaves an oxidation route open.
- 3
Build the buffer for capacity
The buffer system is chosen for how much acid or base it can absorb, not only for the pH it sets, so the window holds through storage.
- 4
Verify the water first
Purified water is checked against its own specification before anything is added, because it is the majority of the formula.
What you can change on this build
- Sensitive-skin brightening positioning
- Pregnancy-safe routine content pack
- Alcohol-free, fragrance-light base
- Dermatologist-tested documentation
Licorice serum is the brightening category's polite answer: glabridin and related licorice flavonoids modulate the look of dark spots without the sting associated with acids, making the SKU a favorite for sensitive-skin brightening and 'pregnancy-safe routine' content.
We standardize glabridin content and pair with niacinamide for measurable tone data, keeping the base alcohol-free and fragrance-light. The story sells as much on what is absent — hydroquinone, harsh acids — as what is present.
Build the routine around it
Private Label Alpha-Arbutin Serum
The gentle corrected cousin of a controversial molecule — brightening without the baggage.
Private Label Tranexamic Acid Serum
The dark-spot answer that pairs beautifully with niacinamide — gentle enough for daily use.
Private Label Brightening Cream
Glow-positioned tone-evening cream — the brightening claim without hydroquinone risk.
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.
Documentation that ships with the order
Every production order leaves with a certificate of analysis, a stability summary, a microbiology report and MoCRA / CPNP-ready documentation, produced on GMPC and ISO 22716 certified lines under licence 粤妆20250206.
Because a fluid gives its actives nowhere to hide, the retained Golden Sample is kept for clarity and colour, which is what a batch is checked against alongside the assay.
Four levers on shelf life
Compatibility between actives
Two actives that work alone can destabilise each other in the same bottle. Combinations are tested rather than assumed.
The assay method is part of release
A method that works on the raw material can fail inside the finished matrix. It is validated against the product as filled before it is used at release.
Light is a reagent
UV accelerates the same reactions that heat does. Clear glass looks premium on a shelf and is usually the worst choice for a sensitive active.
Colour shift is the early warning
Long before an assay moves, a sensitive active usually shows a colour change. It is checked against the retained sample at release.
The actives and the levels they work at
INCI names and typical levels reflect publicly documented formulation practice. All values are adjustable in your build.
| Ingredient (INCI) | Typical Level | Function & Benefit |
|---|---|---|
| Glycyrrhiza Glabra (Licorice) Root Extract | 3–10% | Glabridin tone-correcting |
| Niacinamide | 2–5% | Pigmentation-look support |
| Alpha-Arbutin | 1–2% | Spot-appearance modulation |
| Tranexamic Acid | 1–3% | Discoloration support |
A fluid has nowhere to hide a mistake
In a cream a small inconsistency can read as texture. In a clear fluid every undissolved particle, every trace of haze and every shift in colour is on display, and the customer sees it before they use a single drop.
That is why filtration, water quality and raw-material checks carry more weight here than in any other format. Nothing in a transparent product stays invisible.
The fluid systems we build
In a fluid, protection and texture are set by different parts of the system — the route decides which one leads.
| Route | Barrier it needs | Where it fits |
|---|---|---|
| Two-chamber or mix-at-use | Separated phases until activation | Actives that cannot hold a shelf life in solution |
| Simple aqueous | Chelator plus an opaque or UV-filtered pack | Stable actives in high-volume lines |
| Micellar system | Surfactant-stabilised, clear pack | Cleansing waters and no-rinse formats |
| Concentrated serum gel | Airless pump to handle the viscosity | High-load actives sold on a small dose |
Stability and shelf-life questions
How does licorice compare to vitamin C?
Gentler and slower; many brightening lines run both at different dayparts. We can formulate the pair as a routine.
Why pair it with tranexamic acid?
The two act on different steps of the pigmentation-look pathway — the combination outperforms either alone in before/after panels.
Is it safe during pregnancy?
Topical licorice extract at cosmetic levels is widely regarded as low-risk; we still advise your regulatory team review for each market.
Pack formats, MOQ and lead time
Mixed-variant orders can split the stated MOQ across formats under one brand.
| Format / Specification | MOQ | Lead Time |
|---|---|---|
| Licorice root extract 5% + niacinamide serum, 30 ml | 1,000 pcs | 10–15 days |
| Licorice + arbutin + vitamin C brightening build, 30 ml | 1,000 pcs | 10–15 days |
| Brightening trio set (licorice + toner + cream) | 1,000 sets | 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.
Send the shelf life you need, not just the percentage
Tell us the market, the price tier and how long the product has to stay stable. We reply with the route that fits within 24 hours.