Cosmetic Grade Primrose Oil-CAS 90028-66-1
Product Name: Evening Primrose Oil
INCI Name: Oenothera Biennis Oil
Alias: Refined Evening Primrose Seed Oil, High Purity Gamma-Linolenic Acid Oil
CAS No.: 90028-66-1
Grade: Cosmetic Premium Refined Grade (High GLA Sensitive Skin Special Grade)
Appearance: Pale Yellow Transparent Oily Liquid, delicate and uniform texture, no impurities, no turbidity, faint natural plant fragrance, good fluidity at room temperature, stable texture without precipitation
MOQ (Minimum Order Quantity): 25KG
Solubility: Insoluble in water, fully miscible and compatible with various vegetable oils, synthetic esters, mineral oil and wax-phase cosmetic systems; excellent formula stability, no stratification or rancidity after long-term storage; moderate viscosity and superb ductility, easy to emulsify and process, stable in conventional cosmetic production temperature range, fully suitable for sensitive skin care, anti-aging essence, soothing cream, body lotion and hair care mass production
Storage Condition: Sealed and stored in dry, cool and ventilated warehouse, avoid high temperature, direct sunlight and humid environment; prevent high-temperature oxidation leading to active ingredient loss and oil rancidity; avoid long-term low-temperature freezing affecting oil activity; keep tightly sealed after opening to isolate air and extend shelf life
Shelf Life: 24 Months
Evening Primrose Oil, Cosmetic Grade Primrose Oil, Gamma-Linolenic Acid Oil, Sensitive Skin Repair Oil, Anti-Inflammatory Soothing Base Oil, Anti-Aging Antioxidant Emollient, Dry Skin Nourishing Oil
Cosmetic Grade Primrose Oil-CAS 90028-66-1
Cosmetic Grade Evening Primrose Oil is a high-end functional skin-care base oil refined by physical cold pressing and precise secondary purification technology. It is well-known for its rich gamma-linolenic acid (GLA), a rare unsaturated fatty acid essential for human skin.
It can effectively repair damaged skin lipid barriers, inhibit inflammatory reactions caused by external irritation, relieve redness, dryness and sensitive discomfort, and improve fragile skin condition.
With powerful free radical scavenging capacity, it can slow down skin oxidative aging, fade dry lines and dullness, and restore skin delicate and elastic texture. It also nourishes scalp and hair, relieves dry and itchy scalp, smooths frizzy hair and improves hair toughness.
With mild properties, stable chemical structure and wide formula compatibility, it is the preferred core raw material for high-end sensitive skin soothing repair and anti-aging functional cosmetics.
Key Benefits
• High GLA Content, Unique Anti-Inflammatory Soothing: Rich in high-purity gamma-linolenic acid, effectively relieve skin redness, dry itching and sensitive irritation, stabilize fragile skin barrier.
• Powerful Barrier Repair & Hydration: Supplement skin missing essential lipids, repair damaged barrier, reduce water loss, fundamentally improve dry peeling and rough skin.
• Antioxidant Anti-Aging & Lighten Lines: Abundant vitamin E and unsaturated fatty acids scavenge free radicals, delay aging, improve dull yellowish skin and fade dry fine lines.
• Mild Ultra-low Sensitivity & Wide Adaptability: Deeply purified and free of irritant residues, mild and non-irritating, safe for sensitive skin, fragile skin and seasonal allergic skin care.
• Scalp & Hair Dual Nourishing: Relieve scalp dryness and itching, improve sensitive scalp discomfort, nourish hair shafts, enhance hair elasticity and smooth frizzy hair.
• Stable Formula & Easy Processing: Moderate viscosity, excellent ductility and emulsification, compatible with most cosmetic oil-phase systems, stable batch quality for mass production.
Applications
• Sensitive Skin Repair Series: Core functional base oil for sensitive soothing lotion, barrier repair cream, redness relief skin care products, stabilize skin state and reduce sensitivity.
• Anti-Aging & Fine Line Care Products: Widely used in anti-aging essence, wrinkle smoothing cream and dull brightening skin care series, resist oxidation and improve skin elasticity.
• Intensive Dry Skin Moisturizing System: Suitable for dry skin intensive moisturizing cream, body nourishing lotion and seasonal dry skin care products, long-term moisturizing and anti-dryness.
• Scalp Sensitive Care Series: Applied in soothing scalp oil, anti-itch hair care lotion and dry scalp conditioning products, relieve scalp sensitivity and dry itching.
• Postpartum & Fragile Skin Care: Ideal mild nourishing base for postpartum body repair lotion and fragile skin gentle care products, safe and non-irritating.
• High-end Functional Natural Formulas: Preferred raw material for plant-based high-end functional skin care, conforming to clean, mild and efficient skin care concept.
Certificate Of Analysis (COA)
Test Item | Standard Specification | Test Result |
Product Name | Cosmetic Grade Refined Evening Primrose Oil | Compliant |
Appearance | Pale Yellow Transparent Clear Liquid | Compliant |
Odor | Faint Characteristic Plant Odor, No Peculiar Smell | Qualified |
Relative Density (25℃) | 0.922~0.935 | 0.928 |
Refractive Index (25℃) | 1.472~1.482 | 1.477 |
Acid Value | ≤0.2mg/g | 0.07mg/g |
Iodine Value | 145~160g/100g | 152g/100g |
Moisture & Volatile Matter | ≤0.1% | 0.04% |
Heavy Metal (Pb) | ≤1ppm | 0.2ppm |
Arsenic (As) | ≤0.5ppm | 0.1ppm |
Total Bacteria | ≤100CFU/g | Qualified |
Pathogenic Bacteria | Negative | Negative |
Conclusion | Conforms to cosmetic grade quality standard | Qualified |
Frequently Asked Questions (FAQ)
• Q1: What is the MOQ of Cosmetic Grade Evening Primrose Oil?
A1: The standard MOQ is 25KG, and sample orders are supported for formula testing and efficacy trial production.
• Q2: What certification documents can be provided?
A2: Complete COA, MSDS, heavy metal and microbial test reports and full set of customs clearance documents are available to support export declaration and cosmetic product filing.
• Q3: What is the recommended dosage in cosmetic formulas?
A3: Sensitive skin soothing products: 3%–12%; Anti-aging repair series: 2%–10%; Dry skin moisturizing cream & lotion: 4%–15%; Scalp care products: 2%–8%; Mild functional skin care formulas: 2%–12%, adjustable according to product texture and efficacy positioning.
• Q4: What is the core advantage of evening primrose oil compared with other plant oils?
A4: Evening primrose oil is rich in unique gamma-linolenic acid (GLA), which is rarely contained in ordinary vegetable oils. It has exclusive anti-inflammatory soothing and sensitive skin barrier repair effects, making it the best functional base material for developing sensitive skin and anti-aging high-end skin care products.
• Q5: Is evening primrose oil suitable for long-term use on sensitive skin?
A5: Yes. Cosmetic grade refined evening primrose oil is deeply purified with pure and mild ingredients, no irritant residues. It can effectively repair fragile skin barriers, reduce skin sensitivity, and improve skin resistance, suitable for long-term mild care of sensitive and fragile skin.
• Q6: What are the formula matching notes?
A6: It is oil-phase raw material, recommended to add and melt at 55-75℃ oil phase; avoid long-term high temperature above 80℃ to prevent unsaturated fatty acid oxidation and active ingredient loss; can be compounded with safflower seed oil and jojoba oil to synergistically moisturize, soothe and resist oxidation.
• Q7: Do you support stable large-batch supply all year round?
A7: Standardized deep refining production lines ensure stable batch activity, pure texture and consistent efficacy, sufficient inventory all year round, supporting long-term cooperative orders and customized formula matching services.
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