Laboratory & Analytical Services

Every note deserves to be understood. Through comprehensive laboratory testing, we verify identity, purity, composition, and authenticity giving our customers complete confidence that every batch meets the highest standards before it reaches their formulation.

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Every ingredient we supply is backed by rigorous quality control and analytical expertise. In our in-house laboratory, each product is carefully tested against a range of physical, sensory, and analytical parameters to ensure it consistently meets our high standards for quality, authenticity, and regulatory compliance. Our laboratory specialises in gas chromatography techniques, including GC and GC-MS, enabling us to accurately verify the composition and purity of natural essential oils and fragrance ingredients. This detailed analysis provides complete confidence in every batch we supply. By understanding the precise chemical profile of each product, we can select the most suitable batches to meet individual customer specifications, ensuring the right ingredient for every application and delivering the consistency and reliability our customers expect.

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Regulatory and product safety

Our expertise is based on years of experience in analytics. Through comprehensive data evaluations, we are capable of delivering products of the highest quality while working interdisciplinary and in accordance with applicable legal norms. 

Starting from the FSSC 22000 certification standard, we define the framework conditions to efficiently meet our commitments regarding product quality and safety. The key to our success lies in the definition and application of core processes, as well as their continuous review and optimization. 

In-house analysis

Every product is tested and analysed by our in-house laboratory on various parameters to ensure the highest quality. 

Besides sensory and physical analysis, we focus on gas chromatography.  Using GC-FID and GC-MS, we analyse the ingredients of our products qualitatively and quantitatively, ensuring compliance with our quality standards and applicable regulations. 

Our precise knowledge of essential oil composition enables us to specifically select batches that meet the individual customer's requirements. Thus, we find the right product for every customer. 

Comprehensive product documentation

Our service includes detailed documentation for each product, based on precise analysis. We ensure that all products comply with European regulations and always keep our technical documentation up to date at all times. We also provide expert support to our customers on regulatory issues relating to fragrances for household, beauty and cosmetics, flavors for the food and beverage industry, products for aromatherapy and wellbeing, as well as animal feed. 

Growing focus on organic range

We stay ahead of the curve and continuously enhance our services — always in line with market trends and the needs of our customers. Our products are REACH-compliant and Kosher-certified. We also offer an extensive selection of organic products along with a variety of NATRUE-approved essential oils. Our carefully curated portfolio includes highlights such as our Rainforest Alliance Certified cinnamon oil. With this commitment, we provide top quality, sustainable standards, and transparent proof to our customers.

Regulatory advice & services

We guide our customers through the increasingly complex regulatory landscape, ensuring full compliance with European and international chemical legislation. Our support covers ingredient approvals, labelling requirements, safety data sheets, REACH regulations, CLP/GHS compliance, and more. Providing early regulatory input during the development stage of new products and compositions helps to avoid costly delays and ensures that they can be launched confidently across multiple markets.

Certifications & compliance frameworks

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EcoVadis

OQEMA is evaluated annually through a group-wide EcoVadis assessment, reflecting our commitment to responsible business practices.

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NATRUE

The NATRUE certification is a globally recognized quality seal for natural and organic cosmetics. It guarantees that products contain high natural ingredient percentages and are free from synthetic fragrances, silicones, parabens, GMOs, and microplastics.

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KLBD Kosher Certificate

KLBD Kosher Certification is a globally recognized seal verifying that food, beverage, or pharmaceutical products comply with strict Jewish dietary laws (Kashrut).

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Sedex

A global membership organization and data platform where businesses share information about ethical and sustainable supply chain practices.

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Ecoact

Provides critical sustainability certifications, including ISO 50001 audits and third-party Voluntary Carbon Offsetting verification. As a founding member of ICROA, they independently verify climate claims, carbon credits, and renewable energy procurement for corporations.

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Rainforest Alliance

The Rainforest Alliance Certification Program empowers farmers and companies to adopt sustainable practices, focusing on human rights, climate resilience, and ecosystem protection.

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FSSC 22000

FSSC 22000 is a globally recognized, GFSI-benchmarked food safety certification. It combines the ISO 22000 management system, sector-specific prerequisite programs (PRPs), and strict additional FSSC requirements (e.g., food fraud, food defense, and allergen management)

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AbCert

A premier, independent inspection and certification body based in Germany. It is primarily known for certifying organic production under European Union regulations, alongside private-law standards like Naturland, Bioland, and Demeter.