Private Label AHA Scalp Serum
Facial skincare logic, applied to the scalp — acids for the root zone.

What decides whether this stays stable
Water quality is an ingredient
Purified water has its own specification, and it matters more here than in any other format because it is most of the formula.
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.
Compatibility between actives
Two actives that work alone can destabilise each other in the same bottle. Combinations are tested rather than assumed.
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.
Questions we answer on every serum brief
Acids on the scalp — safe?
At wash-off doses with buffering, yes — the protocols mirror facial acid safety with scalp-specific patch data.
How does it fit the routine?
Ten minutes before shampoo, once weekly — the pre-wash slot; we diagram it against the scrub for your PDP.
Tingle level?
Mild and brief; the panthenol buffer exists for the tingle-averse — panel-calibrated.
The stages this fluid passes through
- 1
Dissolve in order of solubility
Ingredients go in by solubility rather than convenience, since the order affects both dissolution and how the system behaves afterwards.
- 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
Clarify by filtration
Filtration is matched to the viscosity so the product stays clear without stripping out what gives it body.
- 4
Hold for the full release panel
Assay, pH, clarity and microbiology are all read before release, because in a fluid there is nowhere for a deviation to hide.
AHA scalp serum imports facial skincare's most literate story to the root zone: glycolic and lactic acids dissolve the buildup that shampoo cannot — sebum films, product residue, dead flakes — and the ingredient-literate customer gets it instantly.
We dose acids in scalp-safe leave-before-rinse ranges, buffer with panthenol for the tingle-averse, and verify scalp-comfort with the same patch protocols we run on facial acids.
What is adjustable on this fluid
- Scalp-safety patch documentation
- Pre-wash 10-minute protocol design
- Dual-acid advanced variant
- Ingredient-literate content pack
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 |
|---|---|---|
| Glycolic Acid | 3–5% | Deep buildup dissolution |
| Lactic Acid | 2–4% | Gentler hydration-pairing acid |
| Salicylic Acid (variant) | 0.5–1% | Oil-soluble follicle care |
| Panthenol | 1–2% | Comfort buffer |
Build the routine around it
Private Label Scalp Scrub
The facial for the scalp — pre-wash exfoliation riding the skincare-ification wave.
Private Label Scalp Detox Treatment
Sunday reset for the scalp — the weekly detox ritual that earns its slot.
Private Label Exfoliating Toner
The daily-glow AHA toner — low enough for routine use, acidic enough to earn the claim.
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.
What a fluid batch record carries
Filling runs on GMPC and ISO 22716 certified lines in-house under licence 粤妆20250206, with traceability from raw material to carton on each batch.
For a fluid the record carries pH at fill, viscosity and the assay for the active system you selected, plus the colour or clarity check against your retained Golden Sample before release.
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
Two fluids can look identical in the bottle and behave completely differently by the end of the shelf life.
| Route | Barrier it needs | Where it fits |
|---|---|---|
| Simple aqueous | Chelator plus an opaque or UV-filtered pack | Stable actives in high-volume lines |
| 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 |
| Two-chamber or mix-at-use | Separated phases until activation | Actives that cannot hold a shelf life in solution |
Order quantities by pack size
Mixed-variant orders can split the stated MOQ across formats under one brand.
| Format / Specification | MOQ | Lead Time |
|---|---|---|
| AHA scalp serum 50 ml | 1,000 pcs | 10–15 days |
| AHA + BHA dual-acid build | 1,000 pcs | 10–15 days |
| Scalp-facial set (serum + scrub) | 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 pack you intend to use
Dropper, pump and airless formats protect a formula very differently. Tell us the pack and we quote the base that works inside it.