Evening primrose powder extract 10:1 (Oenothera Biennis)
Evening primrose powder extract 10:1 (Oenothera Biennis)
Organic quality (IFOAM-recognised) is currently not available for powder extracts.
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Estimated delivery time: 5-OCT-2026 - 9-OCT-2026
Available in sizes up to 250 g (depending on current availability and unit price, the quantity may be smaller).
Scope of delivery: sample with example CoA, TDS, SDS and CDS. The example CoA is the CoA from the document bar and is not batch-specific. Development samples are intended for development, not for use in end products. One development sample per customer and article.
With the sample you receive a code that credits the sample price towards your next purchase.
Delivery time: powder extracts are prepared as samples once the raw material has arrived. This can take several weeks; we state the date after receipt of the order.
Second step: packs from 5 kg, price after login. The sample price is credited.
Third step: production quantities above 5 kg are made to order. Quantity, packaging and certification via the industrial enquiry.
Organic (IFOAM) is currently not available for powder extracts.
Production quantities and custom packaging Quantities above 5 kg, terms, certifications, custom packaging
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Ingredients (1223/2009) Cosmetics Regulation
Ingredients (1223/2009) Cosmetics Regulation
All variants have cosmetic compliance:
- Variant with Pentylene Glycol: Aqua (Water), Pentylene Glycol, Evening primrose powder extract 10:1 (Oenothera Biennis)
Composition (FDA): Water (A (>50 %)), Extract (B (25-50 %)), Glycol (C (10-25 %)) - Variant with Propylene Glycol: Aqua (Water), Propylene Glycol, Evening primrose powder extract 10:1 (Oenothera Biennis)
Composition (FDA): Water (B (25-50 %)), Glycol (B (25-50 %)), Extract (B (25-50 %)) - Variant with glycerin: Glycerin, Evening primrose powder extract 10:1 (Oenothera Biennis)
Composition (FDA): Glycol (A (>50 %)), extract (B (25-50 %)) - Variant with jojoba oil: Simmondsia Chinensis (Jojoba) Seed Oil, Evening primrose powder extract 10:1 (Oenothera Biennis)
Composition (FDA): Oil (A (>50 %)), Extract (B (25-50 %)) - Variant with squalane: Squalane, Evening primrose powder extract 10:1 (Oenothera Biennis)
Composition (FDA): oil (A (>50 %)), extract (B (25-50 %)) - Variant with sunflower oil: Helianthus Annuus (Sunflower) Seed Oil, Evening primrose powder extract 10:1 (Oenothera Biennis)
Composition (FDA): Oil (A (>50 %)), Extract (B (25-50 %)) - Variant as powder extract: Evening primrose powder extract 10:1 (Oenothera Biennis), maltodextrin
Composition (FDA): extract (A (>50 %)), maltodextrin (C (10-25 %))
Composition (1169/2011) Food Regulation
Composition (1169/2011) Food Regulation
Variants with propylene glycol, glycerine, sunflower oil or as powder extract have food compliance:
- Variant with propylene glycol: water, humectant: propylene glycol, Evening primrose powder extract 10:1 (Oenothera Biennis)
- Variant with glycerine: Humectant: Glycerine (vegetable), Evening primrose powder extract 10:1 (Oenothera Biennis)
- Variant with sunflower oil: Sunflower oil, Evening primrose powder extract 10:1 (Oenothera Biennis)
- Variant as powder extract: Evening primrose powder extract 10:1 (Oenothera Biennis)
Technical documentation
Technical documentation
TDS, SDS, CDS and sample CoA available after login
Compliance
Compliance
Variants with glycerin or sunflower oil are available in organic quality according to an IFOAM-recognised standard (EU Organic Regulation (EU) 2018/848), selectable via the “Quality” option. Organic is currently not available for powder extracts. Certificate DE-ÖKO-001.276-0076919.2026.001, Kiwa BCS Öko-Garantie GmbH, valid until 31 January 2028. This covers COSMOS and NATRUE; USDA Organic is possible under the EU-US equivalence arrangement. Industrial quantities above 5 kg via the industrial inquiry.
CAS number
CAS number
90028-66-3
Use
Use
This product can be used in various ways in the cosmetics and food industry.
Recommended application concentration
Recommended application concentration
2-5 %
Packaging
Packaging
Evening primrose powder extract 10:1 (Oenothera Biennis): tube bag / plastic container.
Organoleptics
Organoleptics
Visual evaluation: fine powder
Color evaluation: golden yellow to light brown
Origin
Origin
Europe and the rest of the world. Organically grown goods are preferred. Please note that this product contains biological ingredients whose biodegradability cannot be tested. Such ingredients were therefore not considered in the assessment.
Chemical-physical properties
Chemical-physical properties
pH: 3,9-7,72
Density: 0.50-0.70
Refractometry: 1.40-1.50
Analyzes
Analyzes
This is provided by dynamic characteristics and may not fully correspond to your language or regulatory space:
Analysis [s], [a]:
Name: Evening primrose powder extract 10:1 (Oenothera Biennis)
Analysis date:
Batch: ;
Supplier: CONIUNCTA
Preservative
Preservative
unpreserved
Microbiology
Microbiology
Total count of aerobic mesophilic bacteria / g / Method: ISO 21149:2022-08: < 100; Total count of yeasts and molds / g / Method: ISO 16212:2022-08: < 100; Total count of aerobic mesophilic microorganisms (bacteria + yeasts + molds) / g / Method: ISO 17516:2014-10: < 100; Non-specified microorganisms (including gram-negative bacteria such as Pluralibacter gergoviae and Burkholderia cepacia) / g / Method: ISO 18415:2022-08: not detectable; Specified microorganisms (Pseud. aeruginosa, E.coli, Staph. aureus, Candida albicans) / g / Method: ISO 18415:2022-08: not detectable
Durability
Durability
When stored dry between 10 and 30°C in the original sealed container: 24 months.
Flash point
Flash point
Not applicable
Shipping information
Shipping information
The product will be sent to you depending on your customer status.
Disclaimer
Disclaimer
It cannot be excluded that color changes may occur during storage depending on temperature. This is a raw material intended for the manufacture of cosmetics and/or food products. The images shown here serve to illustrate the liquid and are to be considered as approximate only. It is guaranteed that the products meet the specifications listed on their label, packaging and/or certificate of analysis at the time of shipment or for the expressly stated duration. CONIUNCTA® disclaims all express or implied warranties, including but not limited to implied warranties of merchantability or fitness for a particular purpose, with respect to our products or related information. The customer is solely responsible for determining the suitability of CONIUNCTA® products for their own applications, uses and processes, including ensuring that no third-party intellectual property rights are infringed. CONIUNCTA® shall not be liable for incidental, consequential, indirect, exemplary or special damages of any kind arising from the use or failure of the products. All sales are subject to the full terms and conditions of sale of CONIUNCTA®. Prices may be changed without prior notice and CONIUNCTA® reserves the right to modify or discontinue products without prior notice.
How do I obtain a sample?
How do I obtain a sample?
Two routes. For development, select the “Development sample” variant at €49 on the product page and order it through your customer account. The sample comes with an example CoA (not batch-specific), TDS, SDS and CDS; it is intended for development, not for use in end products. One sample per customer and article; for PRO extracts the sample is considerably smaller than 250 g (approx. 50 g). With the sample you receive a code that credits €49 towards your next purchase. For industrial quantities above 5 kg, use the industrial inquiry on the product page. You receive a quotation with quantity, quality and base.
FAQ
FAQ
Please read our FAQ.
Evening primrose powder extract (Oenothera biennis) is a plant-based raw material for the cosmetics and food industries. The 10:1 extract carries the INCI name Oenothera Biennis Extract (CAS 90028-66-3) and is characterized by its lead marker GLA (gamma-linolenic acid).
Production
The product is obtained as a 10:1 powder extract and designed in Germany. It is supplied unpreserved. Certified organic material is preferred.
Specification
- INCI: Oenothera Biennis Extract
- CAS: 90028-66-3
- Lead marker: GLA (gamma-linolenic acid)
- Appearance: fine powder (10:1 powder extract)
- Color: golden yellow to light brown
- Solubility: readily soluble in water
- Preservation: unpreserved
- Vegan: yes
- Density: 0.50 to 0.70
- pH value: 3.9 to 7.72
- Origin: Europe and the rest of the world, certified organic material preferred
- Shelf life: 24 months when stored dry between 10 and 30 °C in the original sealed container
Application in cosmetics
In cosmetic formulations the extract is typically used at 2 to 5 % and is suitable for all variants. Since the powder is readily water-soluble, it can easily be incorporated into the aqueous phase. The raw material is used in care formulations for dry and sensitive skin as well as in products for mature skin.
Application in food
As a raw material for the food industry, evening primrose powder extract is suitable for all variants. Its good water solubility facilitates incorporation into liquid and powdered applications.
Frequently asked questions
Is evening primrose powder extract water-soluble?
Yes, the extract is readily soluble in water and can therefore be incorporated into aqueous formulations.
Is this evening primrose oil or a powder extract?
This is a water-soluble 10:1 powder extract from Oenothera biennis in the form of a fine powder, not an oil.
Is the extract vegan and preserved?
The extract is vegan and supplied unpreserved.
How is the extract stored and what is its shelf life?
When stored dry between 10 and 30 °C in the original sealed container, the shelf life is 24 months. Depending on storage time and temperature, a color change may occur.
Which documents does CONIUNCTA provide?
Technical data sheet (TDS), safety data sheet (SDS) and certificate of analysis (CoA) are available after login. B2B terms on request.
Primary Marker: GLA (γ-Linolenic acid)


