Cosmetic Grade Butyl Stearate-CAS 123-95-5
Product Name: Butyl Stearate
INCI Name: Butyl Stearate
Alias: Stearic Acid Butyl Ester, Butyl Octadecanoate, Low Volatility Softening Ester, Moderate Viscosity Lubricating Emollient
CAS No.: 123-95-5
Grade: Cosmetic Premium Refined Grade (Low Volatility Skin Softening Special Grade)
Appearance: Colorless and Transparent Oily Liquid, pure and impurity-free, odorless or faint ester smell, stable fluidity at room temperature, no turbidity, precipitation or stratification after long-term storage, excellent thermal stability and low volatility
MOQ (Minimum Order Quantity): 25KG
Solubility: Insoluble in water, infinitely miscible with vegetable oils, mineral oils, synthetic esters, silicone oils and wax materials; excellent compatibility with all cosmetic oil-phase systems; moderate viscosity, outstanding lubricity and softening performance, low volatility, easy emulsification and processing, stable formula performance under high and low temperature conditions, suitable for long-lasting moisturizing and smooth-texture cosmetic mass production
Storage Condition: Sealed and stored in dry, cool and ventilated warehouse, avoid high temperature baking, direct sunlight and humid environment; prevent long-term high temperature oxidation deterioration; keep tightly sealed after opening to isolate air, slow down oxidation rate and maintain stable lubricating and moisturizing performance
Shelf Life: 24 Months
Application: Widely used in long-acting moisturizing skin care cream and lotion, dry skin repairing products, smooth texture body care products, lipstick, foundation, cream cosmetics, daily gentle skin care and high-stability formula systems
Butyl Stearate, Cosmetic Grade Butyl Stearate, Low Volatility Emollient, Skin Softening Lubricant, Non-Greasy Synthetic Ester, Oil Phase Base Raw Material, Skin Smoothing Agent
Cosmetic Grade Butyl Stearate-CAS 123-95-5
Cosmetic Grade Butyl Stearate is a high-purity low-volatility synthetic ester emollient refined by professional esterification and distillation purification technology. With unique moderate viscosity and excellent skin softening & lubricating properties, it fills the performance gap between low-viscosity volatile esters and heavy high-viscosity greases.
It can effectively soften dry and rough skin, form a stable breathable moisturizing film on the skin surface, and achieve long-lasting hydration without greasy residue. Its ultra-low volatility ensures that the product’s moisturizing and smoothing effects will not fade rapidly, maintaining consistent skin feeling throughout use.
In cosmetic formulas, it can significantly improve the ductility and smooth texture of creams and lotions, optimize powder dispersion and color uniformity of color cosmetics, and enhance the overall grade of cosmetic products. Featuring mild nature, stable chemical properties, strong oxidation resistance and wide formula compatibility, it is an indispensable multi-functional base raw material for long-acting moisturizing and high-texture cosmetic products.
Key Benefits
• Ultra-Low Volatility & Long-Lasting Moisturizing: Extremely low molecular volatility, stable locking of skin moisture, no rapid efficacy loss, lasting hydration and softening effect, solving skin dry rebound problem.
• Moderate Viscosity & Balanced Skin Feeling: Perfect viscosity between lightweight esters and heavy greases, super lubricating without greasiness, both smooth application and stable moisturizing performance.
• Excellent Skin Softening & Smoothing: Outstanding skin lubrication and softening ability, effectively improve dry, rough and flaky skin texture, instantly restore delicate and tender skin touch.
• Strong Oxidation & Temperature Stability: Low iodine value and high oxidation resistance, not easy to rancidify and deteriorate, stable performance in high and low temperature environments, no seasonal formula adaptation pressure.
• Optimize Formula Texture & Ductility: Greatly improve the spreadability of cream and lotion systems, eliminate dragging texture, uniform powder dispersion, improve makeup fineness.
• Mild & Safe & Wide Compatibility: High-purity refined, low irritation and high safety, compatible with all oil-phase systems, suitable for all skin types and long-term mass production.
Applications
• Long-Acting Moisturizing Skin Care Series: Core emollient for moisturizing cream, nourishing lotion and dry skin repair products, achieve stable and long-lasting hydration and improve dry and dull skin.
• High-Smooth Texture Body Care: Widely used in body lotion, body cream and hand care products, soften whole-body rough skin, maintain long-term smooth and tender body skin feeling.
• Creamy Color Cosmetic Products: Ideal base material for foundation cream, concealer cream and blush cream, optimize product ductility, improve powder fitting degree and makeup fineness.
• Lip Care & Lipstick Products: Used in lipstick, lip gloss and lip balm formulas, lubricate and soften lip skin, improve product spreading texture and prevent dry lip lines.
• High-Stability Skincare Formulas: Suitable for high-temperature resistant and long-shelf-life cosmetic systems, stabilize oil-phase structure and prevent formula layering and deterioration.
• Dry & Sensitive Skin Special Formulas: Gentle and non-irritating, effectively relieve dry and tight sensitive skin, suitable for targeted moisturizing and repairing formulas for dry skin.
Certificate Of Analysis (COA)
Test Item | Standard Specification | Test Result |
Product Name | Cosmetic Grade Butyl Stearate | Compliant |
Appearance | Colorless Transparent Oily Liquid | Compliant |
Odor | Odorless or Faint Characteristic Ester Odor | Qualified |
Relative Density (25℃) | 0.845~0.865 | 0.856 |
Refractive Index (25℃) | 1.440~1.455 | 1.447 |
Acid Value | ≤0.1mg/g | 0.03mg/g |
Saponification Value | 165~185mg/g | 176mg/g |
Iodine Value | ≤1.0g/100g | 0.4g/100g |
Moisture & Volatile Matter | ≤0.1% | 0.02% |
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 Butyl Stearate?
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: Long-acting moisturizing skin care products: 4%–18%; Body care products: 6%–22%; Creamy color cosmetics: 5%–15%; Lipstick & lip care products: 3%–12%; High-stability formula systems: 2%–10%, adjustable according to product texture and efficacy positioning.
• Q4: What is the difference between Butyl Stearate and IPP/Isooctyl Ester?
A4: Compared with low-viscosity IPP and super spreadable isooctyl esters, Butyl Stearate has lower volatility and stronger long-acting moisturizing & lubricating ability. It has more stable formula performance and better high-temperature resistance, more suitable for long-shelf-life, high-stability cream formulas and dry skin intensive moisturizing products, while IPP and isooctyl esters are more suitable for ultra-light refreshing daily formulas.
• Q5: Is Butyl Stearate suitable for sensitive skin?
A5: Yes. It is ultra-pure refined with extremely low irritation, non-comedogenic and non-sensitizing. Its mild lubricating and moisturizing properties can soothe dry and fragile sensitive skin, suitable for all skin types including sensitive and dry skin.
• Q6: What are the formula matching notes?
A6: It is oil-phase raw material, recommended to add at 50-80℃ oil phase; stable under conventional cosmetic processing temperature; can be compounded with IPP, isooctyl palmitate, isooctyl stearate and silicone oil to balance spreading, skin softening and long-lasting moisturizing performance.
• Q7: Do you support stable large-batch supply all year round?
A7: Standardized synthesis and purification production lines ensure stable batch acid value, saponification value and low volatility performance, consistent product quality, sufficient inventory all year round, supporting long-term cooperative orders and customized formula matching services.
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