Private Label Tranexamic Acid Vitamin C Serum Manufacturer

The minimum order quantity for private label tranexamic acid vitamin C serum typically starts at 100–250 units at the low end of the market, rising to 500–1,000 units for most mid-tier contract manufacturers. A handful of specialty low-MOQ labs, often targeting indie founders, will fill runs as small as 50–100 units, though the per-unit cost at that scale is significantly higher — often $15–$22 — because small batches cannot amortize raw material minimums, setup time, and QC labor efficiently. Several factors push the MOQ higher. If you want a fully custom formula rather than a stock base, manufacturers need to purchase actives in quantities that meet their own supplier minimums, which can require a larger batch to be economical. Airless pump packaging, which is strongly recommended for vitamin C stability, also has component minimums — typically 500–1,000 units per SKU from most packaging vendors — and that component MOQ often sets the floor for your production run rather than the fill operation itself. Conversely, MOQs can come down if you agree to use a manufacturer's existing stock formula, accept standard off-the-shelf packaging, or consolidate multiple SKUs into a shared production run. Some manufacturers offer a "pilot batch" at 100–200 units specifically for new brand founders, priced at a premium, with a contractual expectation of a larger follow-on order once the product is market-validated. Geography matters too. Domestic US manufacturers (California, New Jersey, and Texas have the highest concentrations of cosmetic contract manufacturers) tend to have slightly higher MOQs than South Korean or Chinese manufacturers, who can sometimes fill 100-unit runs because their facilities run at much higher throughput and have more flexible scheduling windows. However, overseas manufacturing adds 4–8 weeks of transit time and increases regulatory complexity for US labeling. When you post a brief on the AJ Cosmo Labs iOS app, you can filter search results by MOQ so only manufacturers who can actually serve your run size respond — eliminating the back-and-forth that wastes weeks in the sourcing process.

The total cost to private label a tranexamic acid vitamin C serum has three major buckets: development costs, per-unit manufacturing costs, and regulatory/compliance costs. Understanding all three prevents sticker shock later in the process. Development costs apply when you want a custom formula rather than a stock base. A cosmetic chemist's formulation fee ranges from $500–$3,500 depending on complexity, the number of prototype iterations included, and whether accelerated stability testing is bundled. Some manufacturers waive formulation fees if you meet a volume commitment, but read the fine print — that fee is often rolled into a higher per-unit cost over the contracted run. Per-unit manufacturing cost (filled, capped, unlabeled) at common MOQ bands looks approximately like this: 100–250 units runs $10–$18 per unit; 250–500 units runs $7–$12; 500–2,000 units runs $5–$9; 2,000+ units runs $4–$7. The wide range within each band reflects actives concentrations (higher TXA % = higher raw material cost), fill volume (a 30mL serum costs less than a 50mL), and packaging choice. Airless pumps add $0.80–$2.50 per unit over dropper or standard pump bottles. Labeling — whether you supply print-ready artwork or the manufacturer handles design and print — adds $0.10–$0.50 per unit. If you require unit-level barcoding, lot coding, or tamper-evident seals, budget for those separately. Regulatory costs are often overlooked. A US cosmetic label review by a regulatory consultant runs $300–$800. If you plan EU distribution, a full Cosmetic Product Safety Report (CPSR) typically costs $800–$2,500 depending on formula complexity, plus EU Responsible Person fees of $500–$1,500 per year. California Proposition 65 compliance review adds another $200–$600 if you sell into that state. Total out-of-pocket for a first run of 250 units, including formulation, manufacturing, labeling, and basic US regulatory review, typically lands between $4,500–$8,000. For 500 units, expect $6,000–$12,000 all-in. These figures assume standard turnaround; expedited production adds 15–25% to manufacturing costs. AJ Cosmo Labs helps founders get itemized, line-by-line quotes from multiple manufacturers so you can compare real cost structures — not just headline per-unit prices — before signing any agreement.

From the moment you submit a complete product brief to the moment palletized, labeled units ship, a private label tranexamic acid vitamin C serum realistically takes 10–16 weeks. That range compresses to 8–10 weeks if you use a manufacturer's existing stock formula with standard packaging, and it expands to 18–24 weeks if you need a fully custom formula, custom packaging components with long lead times, or international regulatory dossiers. Here is how the timeline breaks down by stage. Week 0–1: brief submission and manufacturer matching. A clear brief — specifying TXA percentage target, vitamin C derivative preference, texture, fill volume, and packaging type — accelerates this stage significantly. Vague briefs generate clarification rounds that each cost 3–5 days. Weeks 1–3: formula development or stock formula selection. If you choose a stock base, this stage can be as short as 3–5 business days. Custom formulation takes 2–4 weeks, during which the cosmetic chemist is selecting compatible forms of vitamin C (ascorbyl glucoside and sodium ascorbyl phosphate are more stable than L-ascorbic acid in a water-based serum), setting pH, and assessing preservative efficacy. Weeks 3–5: prototype samples shipped to you. Expect one to two rounds of sensory evaluation — color, texture, scent, skin feel on application. Each revision round adds 5–10 business days. Budget for at least one revision iteration. Weeks 5–11: accelerated stability and compatibility testing. This is the stage that most first-time founders try to skip or compress, and it is the single most consequential mistake you can make with a vitamin C formula. Vitamin C is notoriously unstable — it oxidizes and turns yellow/brown, and its efficacy degrades rapidly at elevated pH, in the presence of certain metals, or in non-airless packaging that allows oxygen exposure. Reputable manufacturers run samples at 40°C / 75% relative humidity for a minimum of 8–12 weeks and at 25°C / 60% RH for an ongoing 24-month real-time study. Do not accept a manufacturer who claims stability testing is optional for these actives. Weeks 10–13: regulatory and label review run in parallel with late-stage stability. INCI declaration finalized, label claims reviewed, artwork approved. Weeks 12–16: bulk production, fill, QC, and shipment. Most manufacturers need 3–5 business days for a 500-unit run once raw materials are confirmed in stock. The most common delay trigger is slow client feedback — each day you take to approve a prototype sample or artwork file is a day added to your ship date. Using the AJ Cosmo Labs app to track milestones and respond to manufacturer requests in real time keeps your project on the shorter end of the timeline range.

Tranexamic acid is used in topical cosmetic serums at concentrations ranging from 2% to 5%, with 2–3% being the most common range in private label formulations. Clinical studies that demonstrated efficacy in reducing the appearance of hyperpigmentation and uneven skin tone generally used concentrations of 2% applied twice daily, making 2% a well-supported starting point with a clean safety profile. Concentrations above 5% are uncommon in over-the-counter cosmetics for two reasons. First, the additional benefit over 2–3% is not well-established in published literature for topical application (tranexamic acid's skin-brightening mechanism — inhibiting keratinocyte-melanocyte interaction via plasmin inhibition — reaches meaningful saturation at lower concentrations than might be intuitive from pharmaceutical dosing). Second, higher concentrations raise the cost of goods meaningfully because TXA is a synthetic active with a per-kilogram cost of $80–$200 depending on grade and supplier. Formula stability is also a consideration. TXA is water-soluble and relatively stable across a pH range of 3.5–6.5, which conveniently overlaps with the optimal pH window for most vitamin C derivatives. However, when combined with L-ascorbic acid specifically, the formula must be carefully adjusted to stay below pH 3.5 for L-ascorbic acid efficacy while keeping TXA in its active ionic form. Most experienced cosmetic chemists prefer ascorbyl glucoside or 3-O-ethyl ascorbic acid as the vitamin C source in TXA combination serums precisely because they are stable at a wider and more TXA-compatible pH range. When briefing a manufacturer, specify your target TXA percentage and ask for the formulation rationale in writing — including the pH target, the vitamin C derivative selected, and the preservative system. A manufacturer who cannot explain the chemistry of their own brightening serum formula is a red flag regardless of their price. AJ Cosmo Labs allows you to include these technical specifications directly in your project brief so that only manufacturers with relevant actives formulation experience are invited to respond.

Finding a vetted, low-MOQ cosmetic contract manufacturer for a vitamin C serum requires more than a Google search. The challenge is that most manufacturer websites do not publish their actual MOQs, their real stability testing capabilities, or their GMP certification status in a verifiable way. This forces founders into a time-consuming vetting cycle of cold emails, NDA exchanges, and phone calls — many of which end with a manufacturer whose minimums are far above what you need. The structured approach that saves the most time starts with a clear product brief. Before you contact any manufacturer, document your target formula (TXA %, vitamin C derivative, texture type), desired fill volume, packaging preference, MOQ, target cost per unit, regulatory scope (US only, EU, both), and timeline. A specific brief filters out mismatched suppliers faster than any other tactic. Next, qualify on GMP first. In the US, a credible cosmetic manufacturer will operate under ISO 22716 (Good Manufacturing Practices for cosmetics) or have an equivalent documented GMP program. Ask for their most recent third-party audit report. In the EU, GMP compliance is legally required for any manufacturer supplying the EU market. Manufacturers who cannot provide documentation should be removed from your shortlist immediately, regardless of their quoted price. Verify actives experience specifically. Ask for examples of previous vitamin C and TXA serums they have manufactured, and request stability data (real accelerated stability reports at 40°C, not just a certificate of analysis at time of production). Manufacturers without this data on hand for a vitamin C serum are telling you they haven't done it before — which means your run will be their learning experience. Request itemized quotes from at least three manufacturers before making a decision. A quote that bundles everything into a single per-unit price makes it impossible to negotiate or optimize individual components like packaging. The AJ Cosmo Labs iOS app streamlines this entire process. You post one brief, and pre-vetted manufacturers — whose credentials and active experience have already been reviewed by the platform — respond with quotes directly. You can filter by MOQ, message suppliers, request samples, and release milestone payments all within the app. Download AJ Cosmo Labs from the App Store to start receiving manufacturer responses after posting your brief.

Cosmetic products sold in the United States, including vitamin C and tranexamic acid serums, do not require pre-market FDA approval. The FDA regulates cosmetics under the Federal Food, Drug, and Cosmetic Act (FD&C Act), which holds manufacturers and brand owners responsible for product safety but does not require them to register formulas or obtain approval before going to market. This is fundamentally different from drugs and supplements. However, "no pre-market approval" does not mean "no regulatory obligations." Several requirements apply. First, the Modernization of Cosmetics Regulation Act of 2022 (MoCRA) introduced new mandatory requirements for cosmetic brands selling in the US: facility registration with the FDA (required for manufacturers and processors), product listing with the FDA for each cosmetic product, and adverse event recordkeeping. These requirements took effect in 2024 and apply to most commercial cosmetic brands. Second, your label must comply with FDA cosmetic labeling regulations under 21 CFR Part 701. This includes a proper INCI ingredient declaration (ingredients listed in descending order of predominance), net quantity of contents, identity of product, and name and address of the responsible party. Failure to comply with labeling rules can result in the product being considered misbranded. Third, and critically for TXA and vitamin C serums, your label claims must not cross into drug claim territory. A claim like "visibly evens skin tone" is a permissible cosmetic claim. A claim like "treats melasma" or "reduces hyperpigmentation caused by sun damage" implies a physiological effect that the FDA may interpret as a drug claim, which would require a full New Drug Application (NDA). This distinction is where many indie founders inadvertently create regulatory exposure. Have a regulatory consultant review your label copy before printing. For EU sales, the regulatory pathway is more involved — a Cosmetic Product Safety Report (CPSR), EU Responsible Person designation, and CPNP portal notification are all required. For UK sales post-Brexit, a separate UK Responsible Person and SCPN notification are needed. Your contract manufacturer's regulatory team should assist with INCI declaration and flag any ingredient or labeling concerns before production. If they don't offer this support, consider it a gap in their service offering.

Packaging choice for a tranexamic acid vitamin C serum is not purely an aesthetic decision — it directly affects formula stability, shelf life, and whether your product will pass accelerated stability testing. Vitamin C, particularly in its most potent form (L-ascorbic acid), degrades rapidly when exposed to oxygen, UV light, and metal ions. Tranexamic acid is more stable but shares vitamin C's sensitivity to light over extended periods. Airless pump bottles are the gold standard for vitamin C serums and are strongly recommended for any formula containing L-ascorbic acid or ascorbyl glucoside at meaningful concentrations. The vacuum-piston mechanism inside an airless pump prevents air from re-entering the bottle after each use, dramatically slowing oxidation. A well-formulated vitamin C serum in an airless pump can achieve 18–24 months of shelf life with appropriate antioxidant co-ingredients (tocopherol, ferulic acid), whereas the same formula in a standard dropper bottle may show visible discoloration within 3–6 months of opening. Dropper bottles with amber or opaque glass are the second-tier option. Amber glass blocks UV, reducing photodegradation, and glass does not leach plasticizers the way some polymers can. The weakness is that every time the dropper is removed and reinserted, air enters the bottle. This makes dropper bottles more suitable for more stable vitamin C derivatives like 3-O-ethyl ascorbic acid or ascorbyl glucoside rather than L-ascorbic acid. Standard clear plastic pump or dropper bottles are the least suitable option for any meaningful vitamin C concentration. Polypropylene and PET can be permeable to oxygen over time, and clear materials provide no UV protection. If cost constraints push you toward plastic, choose at minimum an opaque or UV-coated bottle and select a stable vitamin C derivative. Fill volume for a serum is typically 15mL, 30mL, or 50mL. Thirty milliliters is the most common consumer-facing size for a premium serum and offers a roughly 60-day supply at twice-daily use — a usage period that aligns well with the visible brightening timeline consumers expect from TXA + vitamin C actives. Budget for packaging components separately in your manufacturer quotes. Airless pump bottles in quantities of 500 units run approximately $0.90–$2.50 per unit depending on material (plastic vs. glass-bodied), finish, and pump mechanism quality. Custom-decorated or frosted glass airless pumps at the premium end can reach $3.00–$5.00 per unit. These component costs are a major lever in your total cost of goods and worth optimizing with guidance from a packaging specialist — something the AJ Cosmo Labs platform can connect you with alongside your contract manufacturer.