Cosmetic Grade Castor Oil-CAS 8001-79-4
Product Name: Castor Oil
INCI Name: Ricinus Communis Seed Oil
Alias: Refined Castor Oil, Cosmetic Grade Castor Seed Oil
CAS No.: 8001-79-4
Grade: Cosmetic Premium Refined Grade (High Viscosity Transparent Special Grade)
Appearance: Colorless or Pale Yellow Transparent Viscous Oil Liquid, Pure Texture, No Impurities, Slight Natural Vegetable Odor, Excellent Uniform Viscosity, No Stratification or Precipitation
MOQ (Minimum Order Quantity): 25KG
Solubility: Insoluble in water, uniquely soluble in ethanol and most organic solvents; fully miscible and compatible with vegetable oils, synthetic esters, mineral oil and wax-phase systems; outstanding thickening and emulsifying auxiliary performance, stable compounding system without oil precipitation or delamination; high viscosity and strong adhesion, stable performance in conventional cosmetic production processes, fully suitable for mascara, eyelash serum, eyebrow products, cream lotion, lipstick, soap and emulsified product mass production
Storage Condition: Sealed and stored in dry, cool and ventilated warehouse, avoid high temperature, direct sunlight and humid environment; prevent long-term high temperature oxidation leading to oil rancidity and viscosity change; avoid low-temperature freezing to prevent viscosity instability; keep tightly sealed after opening to isolate air and extend service life
Shelf Life: 24 Months
Application: Widely used in eyelash and eyebrow nourishing serums, mascara and eyeliner products, lipstick and lip gloss, moisturizing cream and lotion, hair care smoothing products, handmade soap, emulsified daily chemicals and powder suspension stabilizing formulas
Castor Oil, Cosmetic Grade Castor Oil, High Viscosity Plant Oil, Eyelash Eyebrow Nourishing Oil, Cream Thickening Agent, Emollient Lubricant, Surfactant Base Oil, Hair Care Moisturizing Oil
Cosmetic Grade Castor Oil-CAS 8001-79-4
Cosmetic Grade Castor Oil is a high-purity special functional plant base oil refined by physical pressing and precise purification technology. Rich in high-content ricinoleic acid, it has unique high viscosity, good surface adhesion and excellent emulsifying auxiliary capacity, which is incomparable to ordinary vegetable oils.
It not only provides long-lasting moisturizing and lubricating care for dry skin and frizzy hair, repairing dry damaged skin and hair texture, but also serves as a core thickening and stabilizing agent for cosmetic formulas.
It can effectively improve the suspension and dispersion stability of pigment powder and functional powder, prevent powder precipitation and formula stratification, significantly enhance the molding hardness, surface smoothness and wearing durability of makeup products. With mild and safe properties, stable chemical structure and wide compatibility, it is a core functional base material for high-stability emulsified formulas and long-wear makeup products.
Key Benefits
• Unique High Viscosity & Strong Adhesion: Ultra-high viscosity characteristics, excellent film-forming and adhesion performance, significantly improve makeup staying power, prevent makeup fading and flying powder.
• Excellent Powder Suspension Stabilization: Effectively wrap and disperse cosmetic powder, solve powder precipitation and delamination problems, keep formula uniform and stable for a long time.
• Eyelash & Eyebrow Nourishing Repair: Rich in ricinoleic acid and vitamin E, nourish hair follicles and dry lashes, improve brittle and sparse eyelashes, enhance lash gloss and toughness.
• Moisturizing Lubrication & Barrier Care: Form tight breathable protective film, lock skin and hair moisture, improve dry roughness and frizzy hair, soften keratin and smooth texture.
• Strong Emulsification Auxiliary & Stable Formula: Assist emulsifier to form stable oil-water system, improve formula thickening effect, prevent emulsification failure and texture deterioration.
• Special Alcohol Solubility & Wide Compatibility: Soluble in ethanol and organic solvents, compatible with various oil-phase and wax-phase raw materials, flexible formula debugging, suitable for diversified cosmetic production.
Applications
• Eyelash & Eyebrow Beauty Series: Core nourishing and film-forming base oil for eyelash serum, eyebrow nourishing liquid and lash care products, improve lash toughness and gloss, fix eyebrow shape.
• Eye Makeup Long-wear Products: Key thickening and stabilizing raw material for mascara, liquid eyeliner and eye makeup gel, enhance product adhesion, prevent flying powder and makeup fading.
• Lip Makeup Molding Products: Widely used in lipstick, lip gloss and lip tint, optimize lip product molding texture, improve surface smoothness and color rendering uniformity.
• Skin Care Emulsified Products: Applied in moisturizing cream, nourishing lotion and barrier repair emulsion, assist emulsification, thicken texture and lock moisture.
• Hair Care Smoothing Products: Used in hair oil, hair conditioner and styling products, smooth frizzy hair, nourish dry hair shafts and enhance hair luster.
• Daily Chemical & Special Formulas: Universal base material for handmade soap, surfactant raw materials and powder suspension formulas, stabilize system and optimize product texture.
Certificate Of Analysis (COA)
Test Item | Standard Specification | Test Result |
Product Name | Cosmetic Grade Refined Castor Oil | Compliant |
Appearance | Colorless/Pale Yellow Transparent Viscous Liquid | Compliant |
Odor | Slight Vegetable Odor, No Peculiar Smell | Qualified |
Relative Density (25℃) | 0.955~0.970 | 0.962 |
Refractive Index (25℃) | 1.475~1.485 | 1.480 |
Acid Value | ≤0.2mg/g | 0.09mg/g |
Saponification Value | 176~185mg/g | 181mg/g |
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 Castor 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: Eyelash & eyebrow care products: 10%–100%; Mascara & eye makeup: 5%–20%; Lip makeup products: 3%–15%; Skin care cream & lotion: 1%–8%; Hair care products: 2%–10%, adjustable according to product viscosity and functional positioning.
• Q4: What are the unique advantages of castor oil compared with other plant oils?
A4: Different from conventional low-viscosity plant oils, castor oil has ultra-high viscosity and strong adhesion, with unique alcohol solubility. It has outstanding powder suspension and film-forming staying power, which can effectively stabilize powder formulas and improve makeup durability, being an irreplaceable functional base for eye and lip makeup.
• Q5: Is castor oil safe for eye and fragile skin use?
A5: Yes. Cosmetic grade refined castor oil is deeply purified with low impurities, mild and non-irritating, no harmful residues. It is safe for contact with fragile eye skin, eyelashes and eyebrows, and conforms to cosmetic safety standards for eye area products.
• Q6: What are the formula matching notes?
A6: It is oil-phase raw material, recommended to add and melt at 60-80℃ oil phase; due to high viscosity, stir evenly sufficiently during feeding to avoid local agglomeration; compatible with most oils and waxes, can be compounded with coconut oil and beeswax to optimize viscosity and moisturizing effect.
• Q7: Do you support stable large-batch supply all year round?
A7: Standardized purification production lines ensure stable batch viscosity, pure texture and stable efficacy, sufficient inventory all year round, supporting long-term cooperative orders and customized formula matching services.
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