A contract cosmetics manufacturer should hold GMP (Good Manufacturing Practice) certification as a minimum baseline, alongside relevant natural or organic certifications such as COSMOS if they produce certified natural formulations. The right combination of certifications depends on the markets a brand targets and the claims they want to make about their products. The sections below break down each key certification, what it means in practice, and how to evaluate a manufacturer’s credentials before signing a contract.
The certifications that matter most to cosmetic brands are GMP (ISO 22716), COSMOS (for natural and organic claims), and where applicable, Ecocert or NATRUE. GMP certification is the universal baseline for safety and quality. Natural and organic certifications become essential the moment a brand wants to communicate those values on packaging or in marketing.
Beyond these, the certifications that carry weight depend on the brand’s target market and consumer base. A brand selling into the EU must prioritize EU cosmetics regulation compliance. A brand selling into the US market may also need to consider FDA-aligned quality standards. Sustainability-focused brands increasingly look for manufacturers with environmental credentials such as an Ecovadis rating or ISO 14001 environmental management certification.
In short, there is no single universal list. The most commercially relevant certifications are those that align with the claims a brand makes, the markets it sells in, and the values it communicates to consumers.
GMP certification in cosmetics manufacturing refers to compliance with ISO 22716, the internationally recognized standard for Good Manufacturing Practice in the cosmetics industry. It means the manufacturer follows documented, audited processes for production, quality control, hygiene, traceability, and staff training. GMP certification is widely regarded as the minimum quality standard a contract manufacturer should hold.
In practical terms, GMP certification covers a broad range of operational requirements:
For brands, working with a GMP-certified manufacturer provides a defensible foundation for product safety. It also simplifies regulatory submissions and retailer audits, since GMP compliance is often a prerequisite for listing in major retail chains or exporting to regulated markets.
COSMOS and Ecocert are related but distinct. Ecocert is a French certification body that audits and certifies products and companies against various organic and natural standards. COSMOS is a standard developed by a consortium of European certification bodies, including Ecocert, specifically for natural and organic cosmetics. Ecocert is one of the bodies that can certify products to the COSMOS standard.
In other words, COSMOS is the standard and Ecocert is one of the certifiers that verifies compliance with it. Other certifiers such as BDIH, Cosmebio, ICEA, and the Soil Association can also issue COSMOS certification. The COSMOS standard itself defines what percentage of ingredients must be natural, what processing methods are permitted, and how organic content is calculated and communicated.
For brands, this distinction matters when selecting a manufacturer. A manufacturer certified by Ecocert may be certified to the COSMOS standard, but it is worth confirming which specific standard their certification covers. COSMOS certification is the most widely recognized framework for natural and organic cosmetics across Europe, making it the most commercially versatile choice for brands targeting European consumers.
Certifications directly shape which raw materials a manufacturer can use. Standards like COSMOS maintain approved ingredient lists and restrict synthetic preservatives, colorants, and processing agents. This means a certified manufacturer must source ingredients that meet the standard’s criteria, including traceability requirements and restrictions on petrochemical-derived materials.
For brands, this has several practical implications. A manufacturer with COSMOS certification has already vetted their ingredient supply chain against strict natural and organic criteria. This removes a significant burden from the brand, since the manufacturer’s certification audit covers ingredient sourcing as part of the process. Brands can reference the manufacturer’s certification as part of their own product claims, provided the finished product is also certified.
Ethical sourcing is a related but separate consideration. Certifications like COSMOS address ingredient composition and processing, but they do not always cover labor practices or environmental impact at the source. Brands focused on full supply chain transparency should look for manufacturers who go beyond certification requirements to actively vet their suppliers for sustainability and ethical standards.
For most certifications, the manufacturer must hold the relevant certification because audits cover the production facility, processes, and ingredient sourcing, not just the finished product. A brand cannot hold a COSMOS product certification if the manufacturer producing the product is not also COSMOS certified. The certification chain runs through the entire supply process.
There are some certifications where brands can apply independently, such as cruelty-free certifications from bodies like Leaping Bunny or PETA, which assess company policy rather than manufacturing processes. Vegan certifications may also be applied for at the brand level, provided the manufacturer can confirm that no animal-derived ingredients are used.
However, for quality and natural ingredient certifications, the manufacturer’s credentials are foundational. A brand that partners with a non-certified manufacturer and later wants to pursue COSMOS certification will need to either switch manufacturers or wait for their current manufacturer to achieve certification. This makes it strategically important to verify a manufacturer’s certifications before entering a partnership, not after.
Brands should ask specific, verifiable questions rather than accepting general claims about quality or sustainability. The right questions reveal whether a manufacturer’s certifications are current, relevant to the brand’s needs, and genuinely embedded in their operations.
Key questions to ask include:
A manufacturer who answers these questions clearly and provides documentation without hesitation is demonstrating the kind of transparency that makes for a reliable long-term partner. Vague or defensive answers are a signal to probe further before committing.
We understand that navigating certifications is one of the more complex parts of launching or scaling a natural cosmetics brand. At Rebel Nature, we have built our operations around the standards that matter most to natural and sustainable brands, so our clients do not have to start from scratch.
Whether you are building a new brand or looking to switch to a more credible manufacturing partner, we are here to make the process straightforward. See how we work to understand our process, or learn about our mission and the values that drive every formulation we develop. Ready to talk about your project? Get in touch with our team and let us help you bring a certified, high-quality product to market.
The COSMOS certification process typically takes between 6 to 18 months, depending on the certifying body, the manufacturer's current compliance level, and the complexity of their ingredient supply chain. Manufacturers that already operate under GMP and have clean, traceable ingredient sourcing tend to move through the process faster. If you are planning to launch a certified natural product, it is worth asking a prospective manufacturer where they are in their certification journey before committing to a timeline.
Not automatically. A manufacturer's certifications cover their facility, processes, and ingredients, but your finished product typically needs to go through its own certification step to carry certified claims on packaging. For example, if your contract manufacturer holds COSMOS certification, your product must still be submitted for COSMOS product certification before you can display the logo. The manufacturer's certification is a prerequisite, not a shortcut, so budget time and cost for the product-level certification process as well.
If a manufacturer's certification lapses, any products manufactured during the lapse period may no longer qualify for the certified claims you are making on packaging or in marketing. This can create legal and reputational risk, particularly in regulated markets like the EU. To protect your brand, include a clause in your manufacturing contract that requires the manufacturer to notify you immediately of any certification changes, and request annual proof of renewal as a standard part of your partnership.
Yes, though no single certification covers both markets perfectly. COSMOS is the strongest choice for EU natural and organic claims, while NSF/ANSI 305 is the US equivalent for organic personal care products. Some brands pursue both to maintain credibility across markets. For quality and safety compliance, GMP (ISO 22716) is recognized internationally and provides a solid foundation regardless of geography. Working with a manufacturer who understands multi-market regulatory requirements can save significant time when preparing documentation for different regions.
Always request the actual certificate documents, not just a verbal confirmation or a logo on a website. Genuine certificates will include the certifying body's name, the scope of certification, the certificate number, and an expiry date. You can cross-reference the certificate number directly with the certifying body, as most organizations such as Ecocert, BDIH, and the Soil Association maintain publicly searchable databases of certified companies. Making this verification a standard step in your supplier onboarding process protects your brand from misrepresentation.
An uncertified 'natural' claim is a marketing statement with no mandatory third-party verification behind it, which makes it vulnerable to consumer and regulatory scrutiny, particularly as greenwashing regulations tighten across Europe and the US. A certified natural claim, backed by a recognized standard like COSMOS, means the formulation has been independently audited against defined criteria for ingredient origin, processing, and composition. For brands building long-term consumer trust, the certified route is increasingly the more defensible and commercially credible option.
Choosing a certified manufacturer from the start is far more strategic than retrofitting certifications later. Switching manufacturers mid-growth to access certification is costly, time-consuming, and can disrupt your product formulations and supply chain. Even if you are not ready to certify your finished products immediately, partnering with a GMP-compliant and COSMOS-aligned manufacturer from day one means you are building on a foundation that supports future certification without having to start over. Think of it as infrastructure for growth rather than a box to tick later.
Follow us on social media to stay up to date with the latest at Rebel-Nature.
REBEL-NATURE BV COPYRIGHT 2026 ©