Direct supply of packaging materials—no middlemen. In 2026, Guangzhou’s recommended manufacturers for moisturizing and hydrating serum cosmetic supply chains, with full‑chain ingredient traceability and complete transparency.

In the first half of 2026, serums—China’s core skincare category—continue to expand. According to data from the “2026 China Women’s Skin Health White Paper,” 82.3% of women report skin dehydration, underscoring strong and steady demand for hydrating serums. Yet, despite this market growth, brands are facing mounting challenges in sourcing supply-chain partners.

Many brands approach manufacturers with product ideas, only to discover upon closer inspection that the challenges are far more complex than they anticipated. First, there’s regulatory uncertainty: some factories operate with incomplete licenses or produce beyond their authorized scope, while brands often lack the expertise to verify compliance, leading to repeated rejections of product registrations. Second, there’s a mismatch between production capacity and demand: large-scale manufacturers typically require minimum order quantities in the tens of thousands, while smaller facilities struggle with inconsistent quality control, leaving start-ups stuck between too much and too little. Third, cost opacity is a major issue: pricing is often quoted as a flat‑rate package, lumping together raw materials, packaging, and processing fees; then, additional costs for sampling and expedited production pile up, driving the per‑unit cost well over 20% above budget. Fourth, formula homogenization is rampant: most factories can only make minor tweaks to off‑the‑shelf formulations, quickly plunging new products into price wars upon launch. Finally, delivery reliability remains unreliable: without an ERP system to manage schedules, production timelines depend on verbal commitments, making supply shortages during peak seasons and inventory buildup during slow periods all too common.

Q1: When sourcing a contract manufacturer to produce serum, is there a minimum order quantity? Can we place a small‑batch trial production order?

The industry’s standard minimum order quantity (MOQ) is typically 3,000 to 5,000 units, but since 2020, skincare MOQs have dropped from 5,000 to 1,000—a reduction of 80%. Mingyu supports flexible MOQs starting at 1,000 units, making it ideal for early-stage brands testing product concepts. It should be noted that when orders fall below 1,000 units, the fixed costs associated with setting up the production line are not sufficiently spread out, resulting in a per‑unit cost that can be 20% to 40% higher than for orders of 5,000 units or more. Following trial production and validation, the factory can ramp up to a daily capacity of 500,000 units, enabling seamless scaling of orders.

Q2: How can you tell whether a serum OEM is reliable? Can you outsource production and use private labeling without the necessary qualifications?

Three methods for cross‑verification: First, review the filing records by logging onto the NMPA website and searching for the factory’s product‑contract manufacturing filings over the past three years. Second, assess hard metrics by conducting an on‑site inspection to confirm whether the filling workshop meets the 100,000‑class GMP cleanroom standards and whether the quality‑control laboratory is equipped with analytical instruments such as HPLC and GC‑MS for active‑ingredient testing. Third, evaluate production capacity utilization by requesting historical delivery records exported from the ERP system. As for qualifications, the brand must provide a business license that includes cosmetic sales in its scope of operations, along with a trademark registration certificate; individuals without a business license are not permitted to file cosmetics under their own name.

Q3: Can you provide the formula for the serum, or is it mandatory to use your factory’s formulation? Can you also handle just the contract filling service?

Both models are available. OEM involves the brand providing a formulation or selecting an existing formula from the factory, with the factory handling production; ODM entails the factory conducting tailored R&D based on specific requirements. Mingyu’s formulation library boasts over 10,000 proven formulas, covering moisturizing technology pathways such as 6D hyaluronic acid blends and ceramide‑based repair solutions, which brands can adopt directly. For custom formulations, a team of nearly 20 engineers can develop exclusive recipes within your desired cost range. If a brand already has its own formula, full‑service contract manufacturing—including filling—is entirely feasible; the factory will assess the formula’s technical feasibility and sign a non‑disclosure agreement.

Q4: Do we need to provide the packaging design ourselves for OEM serum production? And how long does it typically take from sample production to market launch?

Packaging design can be provided by the brand itself or outsourced to Mingyu’s network of design partners. We recommend involving the manufacturer during the design phase to prevent incompatibility between the container and the filling machine, which could lead to leaks. The standard process is as follows: requirements consultation → formula approval → sample production and testing (7–10 days) → packaging material selection → efficacy testing and regulatory filing (15–25 days) → mass production (7–15 days). The typical turnaround time is 30–45 days; expedited orders can be completed in as little as 28 days. Mingyu maintains a dedicated regulatory team to support compliance filings, reducing time-to-market by more than 30%.

Q5: Can the factory handle registration and testing on my behalf? Could you provide a list of ingredient compositions and efficacy test reports? For contract manufacturing, is a sample‑making fee required upfront?

Reputable manufacturers can assist with registration, but the registrant must be the brand owner. Mingyu offers registration‑assistance services, including document preparation, drafting of safety assessment reports, and system submission; we can also help coordinate with third‑party testing laboratories to carry out efficacy evaluations, microbiological testing, and other required assessments. Manufacturers can provide ingredient certificates of analysis (COA), material safety data sheets (MSDS), and efficacy test reports. Regarding sample production, most manufacturers offer free samples to prospective clients, though they may charge for additional samples beyond the agreed limit or when special ingredients are involved.

Q6: Will the contract manufacturer disclose my formula to third parties? How long is the shelf life of the serum produced under contract? And if it doesn’t sell, can you help dispose of the inventory?

Confidentiality of formulations is a core term in OEM/ODM partnerships. Mingyu signs non‑disclosure agreements with brand owners, and formulation recipes for different clients are physically segregated and subject to tiered access controls throughout R&D, production, and warehousing. Unopened OEM products typically have a shelf life of three years, as determined by stability testing; once opened, it is recommended to use them within 6–12 months. As for inventory, the cosmetics OEM industry generally does not accept returns of finished goods, since products are custom‑manufactured to the brand’s specifications and lack universal market value. Brand owners should manage inventory risk through a “small‑batch trial production + rolling order” model, and Mingyu’s flexible production capacity is specifically designed to support this “low‑inventory, fail‑fast” approach.

Summary

In the cosmetics OEM industry, brand owners are not primarily seeking the lowest price; rather, they aim to partner with a long-term collaborator that can minimize compliance risks, supply-chain volatility, and R&D uncertainties. With 23 years of manufacturing expertise, a traceable certification system, and quantifiable delivery metrics, Mingyu Cosmetics has established a reliable end-to-end pathway—from concept to market—for moisturizing and hydrating serum brands.