
Frequently Asked Questions
Everything you need to know about working with GZ Cosmetics Lab. Can't find your answer? Contact us directly.
Getting Started: Services, MOQ & Lead Times
What is the difference between OEM, ODM, and Private Label?
OEM (Original Equipment Manufacturing) uses a formula you provide. ODM (Original Design Manufacturing) develops a formula from your brief. Private label uses an existing catalogue formula and usually reduces development work. CDMO can combine development, regulatory, intellectual-property, and manufacturing work within an agreed programme. The right route depends on ownership terms, differentiation, testing, packaging, schedule, and budget.
What is your minimum order quantity (MOQ)?
Our MOQ starts from 3,000 units per SKU depending on the product and level of customization. Most skincare (creams, serums, lotions) and body care sit at 3,000 units per SKU; some formats are higher, such as sheet masks and collagen patches at 5,000 to 10,000 sheets depending on material and packaging. We confirm the applicable minimum against the formula, packaging, and production format before quotation.
What is the typical production lead time?
Routine bulk production typically takes 35 to 60 days after the approved sample, packaging, and order details are confirmed. The actual schedule depends on component availability, formula complexity, testing requirements, order volume, and the agreed production plan; special formats such as freeze-dried products may take longer. We track each order against agreed milestones and update you if approvals, materials, testing, or logistics affect the plan.
Do you have a product catalog I can review?
Yes, we have an extensive catalog covering 20 product categories including skincare, body care, hair care, and aromatherapy. Contact us via WhatsApp or email, and we'll send you our latest product catalog with specifications, pricing tiers, and available customization options.
Samples & Formula Development
How long does it take to get samples?
Sample preparation, dispatch, courier transit, and revision rounds are confirmed for each project after the brief, formula route, reference information, and destination are clear. Existing formulations usually require less development work than a custom ODM formula, but we do not combine preparation and international transit into one blanket promise.
How are samples scoped and charged?
Sample availability, preparation, revision rounds, materials, packaging, fees, dispatch, and courier arrangements are confirmed after the brief, formula route, reference information, and destination are clear. Existing-formula and custom ODM samples may follow different scopes, which are set out in the project quotation before work begins.
Can you develop a completely new formula from scratch?
Yes. Our in-house R&D team develops formulations from a confirmed brief and works with actives including PDRN, Ectoin, exosome-based ingredients, and peptides, as well as our licensed advanced delivery system. The development and sample schedule is confirmed per project after the formula route, testing scope, references, and revision rounds are clear.
What packaging options are available?
We offer comprehensive packaging solutions: standard stock packaging for fast launches, custom packaging design services, and luxury/premium packaging options. Materials include glass, airless pumps, tubes, jars, dropper bottles, and eco-friendly options (PCR plastic, bamboo, sugarcane). We can source packaging or work with your existing suppliers.
Certifications & Market Compliance
What certifications does your factory hold?
We hold ISO 22716:2007 (Cosmetics GMP, certificate HBPCER20260352) and GMPC (HBPCER20260353), both issued by Intertek on 16 July 2026 and valid to 15 July 2029, plus ISO 9001:2015, ISO 14001:2015, ISO 45001, HALAL certification, and US FDA cosmetic facility registration under MoCRA (FEI 3038966060). We also hold a valid Chinese cosmetics production license (粤妆20170085) as Jiumei (Guangzhou) Biomedical Co., Ltd. The two Intertek certificates can be checked directly in Intertek's certificate database at certs.intertek.com.cn. Accredited third-party testing is separately scoped when required. These certifications support manufacturing systems and documentation; final product compliance also depends on the formula, claims, labelling, testing, and registration route.
You hold both ISO 22716 and GMPC. Isn't that the same thing twice?
They overlap heavily but they are assessed against two different documents, which is why we hold both. ISO 22716:2007 is the international GMP guideline for cosmetics. Our GMPC certificate is assessed against the Cosmetic Good Manufacturing Practice Guidelines (2025) published by the US FDA. Both were issued by Intertek from the same audit, so they carry consecutive numbers and the same expiry date. The practical value is that a buyer in a market that references the ISO standard and a buyer whose importer asks about US GMP expectations can each be answered with a certificate written in the terms they already use. To be clear about what neither one is: a GMP certificate covers how the factory operates, not your specific product. It is not a product registration or approval in any market, and it does not remove your need for product notification, safety assessment or labelling compliance wherever you sell.
Is your HALAL certification enough for me to sell in Muslim-majority markets?
It is a strong starting point but it is not automatically sufficient, and you should check before assuming. Halal certification is issued by individual certification bodies, and importing countries decide which bodies they recognise — Indonesia (BPJPH), Malaysia (JAKIM), and the GCC states each maintain their own recognition lists and mutual-recognition arrangements. A certificate accepted in one market may need to be reissued by a locally recognised body for another. Certification also applies to the products and production lines within its declared scope rather than to everything we make, so a halal-certified line does not make every formula in our catalogue halal by default. Tell us your destination market early and we will confirm what is in scope and what would need re-certification, rather than letting you discover it at customs.
How do I verify your certifications myself?
Our two Intertek certificates — ISO 22716 (HBPCER20260352) and GMPC (HBPCER20260353) — can be verified by anyone at certs.intertek.com.cn, the database address printed on the certificates themselves. Our US FDA registration number (FEI 3038966060, valid to 29 July 2028) is published in full, but note that the FDA does not run a public search for cosmetic facility registrations: Cosmetics Direct is a submission portal, not a lookup tool. You can quote our FEI number to the FDA directly, or pass it to a US regulatory agent or your importer of record to confirm through their channels. Our legal entity (Jiumei (Guangzhou) Biomedical Co., Ltd., Unified Social Credit Identifier 91440101MA59F7726Y) appears on the Intertek certificates, so you can confirm that the company quoting you is the company that was audited — worth checking, because a trading company can show you a certificate belonging to a factory it does not own.
Are you FDA registered? What does that mean?
Yes. Our facility (FEI 3038966060) is registered with the US FDA under the Modernization of Cosmetics Regulation Act (MoCRA). This means we are known to the FDA and subject to inspection. It does not mean the FDA has approved or endorsed our facility or any specific product — FDA does not issue approvals for cosmetics. Registration is renewed biennially; our current registration is valid through July 2028. For brands targeting the US market, working with an FDA-registered manufacturer is a baseline regulatory requirement.
Can you help with regulatory compliance for my target market?
Yes. We support manufacturing-side documentation and technical review for the US, EU, China, ASEAN, GCC, and other destination markets. The exact scope is confirmed for the project; local responsible-person, importer, safety-assessor, notification, and authority-approval responsibilities remain with the parties required by the destination market.
Quality Control & Testing
What quality control measures do you have in place?
Our QC process uses four named checkpoints: IQC (incoming quality control) on raw materials and packaging; IPQC (in-process quality control); FQC (final quality control) against the agreed finished-product specification; and OQC (outgoing quality control) before shipment. We operate in a 100,000-class cleanroom environment and keep batch records for material-lot and production traceability. Accredited third-party testing is separately scoped when required, and our ISO 22716 (certificate HBPCER20260352) and GMPC (HBPCER20260353) certifications are subject to annual surveillance audits by Intertek.
Do you offer product testing and stability testing?
Routine in-process quality control and finished-product release against the agreed specification are included in manufacturing. Formal stability studies, packaging compatibility programmes, preservative challenge testing, heavy-metals panels, safety assessment, clinical efficacy work, and accredited third-party testing are scoped and quoted separately when the formula, claims, packaging, or destination market require them.
Orders, Payment & Shipping
What payment terms do you accept?
For new clients: 50% deposit upon order confirmation, 50% balance before shipment. For established clients (after 3+ orders): we offer flexible terms including 30% deposit with balance against B/L copy. We accept T/T (bank transfer), PayPal (for samples), and L/C for large orders. All payments in USD.
What shipping methods do you use?
Shipping options can include express courier for samples and small consignments, air freight, and sea freight. The route, carrier, dispatch date, transit estimate, Incoterms, and required export documents are confirmed for the destination and shipment rather than promised as one global timeline.
Working With Us
How do you handle intellectual property and formula confidentiality?
We can put an NDA in place before confidential formula or process information is shared. Access to project files is limited to the personnel involved in the work, and formula ownership, permitted use, confidentiality, and any exclusivity are defined in the signed development or manufacturing agreement.
Can I visit your factory?
Absolutely! We welcome factory visits and encourage them. Our facility in Huadu District, Guangzhou is a short drive from Guangzhou Baiyun International Airport. Please book at least 3 days in advance so we can arrange a full tour of our cleanroom, R&D lab, production lines, and QC department. We can also assist with hotel recommendations.
Can you help with brand strategy and market positioning?
Yes. Beyond manufacturing, we offer brand incubation services including market research, competitor analysis, product line planning, positioning strategy, and packaging design consultation. This is particularly valuable for new brands entering the market. Our team supports brand launches across multiple global markets.
Still Have Questions?
Our team is happy to answer any questions about our manufacturing capabilities, processes, or how we can help bring your product to life.
Response within 24 hours · WhatsApp available · Factory visits welcome