Isopropyl Isostearate ISIP Emollient-CAS 68171-33-5
Product Name: Isopropyl Isostearate ISIP Emollient
Alias: ISIP, Synthetic Ester Emollient, Silky Skin Softener, Cosmetic Powder Dispersant, High-compatibility Ester Lipid
INCI Name: Isopropyl Isostearate
CAS Number: 68171-33-5
Molecular Formula: C21H42O2
Molecular Weight: 326.56
Effective Content: ≥99.0%
Appearance: Pale Yellow Transparent Light Viscous Liquid
Grade: High-end Cosmetic Grade / Silky Softening Functional Grade / Powder Dispersing Grade
MOQ: 25KG
Package: 25KG Food-grade Plastic Drum / 180KG Sealed Standard Iron Drum
Shelf Life: 24 Months (Sealed, Light-proof, Cool & Dry Environment Storage)
Isopropyl Isostearate, ISIP Emollient, Silky Cosmetic Softener, High Spreadability Lipid, Powder Dispersing Agent, Makeup Texture Improver, Non-greasy Skin Conditioner, Cosmetic Grade Ester Emollient
Isopropyl Isostearate ISIP Emollient-CAS 68171-33-5
Isopropyl Isostearate (ISIP) is a high-purity synthetic ester emollient refined by advanced esterification reaction and multi-stage purification technology, which is a key functional raw material widely used in modern cosmetic industry.
Different from traditional vegetable oil with heavy texture and poor spreadability, and mineral oil with poor skin affinity, ISIP has a unique branched ester molecular structure, featuring silky smooth texture, excellent spreadability and fast skin absorption.
It can quickly spread on the skin surface to form a thin and smooth protective film, soften skin texture, reduce skin friction, and bring a delicate and non-greasy silky touch. With outstanding powder dispersing performance, it can effectively disperse cosmetic pigments, powders and sunscreen agents, prevent powder agglomeration and precipitation, and significantly improve the ductility and fitting degree of makeup products.
The product has excellent chemical stability, good compatibility with various cosmetic raw materials such as vegetable oils, emulsifiers and active ingredients, no oxidation, no discoloration and no peculiar smell during long-term storage and high-temperature processing. It is mild and non-irritating, suitable for most skin types, and is the core emollient raw material for silky skincare, high-fitting makeup and mild care cosmetic formulas.
Key Benefits
• Silky Smooth Texture, Non-greasy Touch: Unique branched molecular structure, excellent spreadability, quickly spreads on the skin surface to form a smooth protective film, softens rough skin, and brings long-lasting silky and delicate use experience without sticky residue.
• Excellent Powder Dispersing, Uniform Makeup: Effectively disperses cosmetic pigments, mineral powders and sunscreen agents, prevents powder agglomeration and floating powder, improves the uniformity and ductility of products, and makes makeup fit closely to the skin without smudging.
• High Compatibility, Wide Formula Adaptation: Perfectly miscible with various cosmetic raw materials such as vegetable oils, emulsifiers, active ingredients and silicones, no precipitation or layering, simplifies formula debugging and ensures batch stability.
• Mild & Skin-friendly, Multi-skin Adaptation: Low irritation, non-sensitizing, mild and soft, suitable for dry skin, combination skin and normal skin, bringing gentle softening and moisturizing effect without burdening the skin.
• Super Stability, Industrial Production Friendly: Resists high temperature, oxidation and hydrolysis, no discoloration or peculiar smell during storage and processing, long shelf life, and strong adaptability to various industrial production processes.
• Multi-functional Application, Versatile Value: Integrates softening, moisturizing, dispersing and lubricating functions, applicable to multiple cosmetic fields such as skincare, makeup and hair care, improving product texture and use experience.
Applications
• Silky Nourishing Skincare Series: Silky moisturizing lotion, delicate nourishing face cream, skin softening essence, dry skin gentle care products.
• High-fitting Color Cosmetics & Base Makeup: Liquid foundation, BB cream, concealer, loose powder, blush, lipstick, lip gloss and other makeup products.
• Sunscreen & Outdoor Protection Series: Silky sunscreen lotion, non-greasy sunscreen cream, outdoor UV protective skincare products.
• Mild Cleaning & Makeup Remover Series: Gentle makeup remover oil, silky makeup remover lotion, eye and lip special makeup remover.
• Mild Hair Care Series: Silky hair conditioner, anti-frizz hair oil, dry hair nourishing and softening products.
• Baby & Sensitive Skin Care Series: Baby mild moisturizer, sensitive skin softening lotion, zero-irritation gentle care formulas.
Certificate Of Analysis (COA)
Test Item | Standard Specification | Test Result |
Product Name | Isopropyl Isostearate ISIP Emollient | Compliant |
Appearance (25℃) | Pale yellow transparent light viscous liquid | Pale yellow uniform transparent liquid |
Effective Content | ≥99.0% | 99.2% |
Acid Value | ≤0.1mg/g | 0.06mg/g |
Peroxide Value | ≤5.0meq/kg | 1.9meq/kg |
Moisture Content | ≤0.1% | 0.03% |
Odor | Faint characteristic ester odor, no peculiar smell | Compliant |
Powder Dispersion | Good dispersion, no powder agglomeration | Compliant |
Conclusion | Conforms to high-end cosmetic grade enterprise standards | Qualified |
Frequently Asked Questions (FAQ)
• Q1: What is the core advantage of ISIP compared with ordinary ester emollients?
A1: Ordinary ester emollients have either poor spreadability or sticky skin feel, and weak powder dispersing ability. ISIP has a unique branched molecular structure, which not only has silky smooth texture and fast absorption, but also has excellent powder dispersing performance. It can improve product texture and makeup fitting degree at the same time, and has more comprehensive functional advantages than ordinary ester emollients.
• Q2: What is the recommended formula addition ratio?
A2: 2.0%-7.0% for daily skincare products, 5.0%-15.0% for color cosmetics and base makeup products, 3.0%-8.0% for sunscreen and makeup remover products, 1.0%-4.0% for hair care and baby care products, adjustable according to formula texture and functional requirements.
• Q3: Is ISIP suitable for sensitive skin and infant care formulas?
A3: Yes. The product is refined by high-purity technology, free of harmful impurities, mild and non-irritating, and has passed sensitive skin and infant skin safety tests. It is very suitable for mild and safe skincare formulas for sensitive skin and infants.
• Q4: Why is it widely used in color cosmetics and base makeup products?
A4: ISIP has excellent powder dispersing performance, which can uniformly disperse various cosmetic powders and pigments, prevent agglomeration and floating powder, improve the ductility and fitting degree of makeup products, make makeup more delicate and lasting, and solve the common problems of makeup such as floating powder and smudging.
• Q5: Can ISIP be mixed with silicone raw materials? What is the compatibility performance?
A5: Absolutely yes. ISIP has excellent compatibility with various silicone raw materials such as dimethicone, and can be perfectly mixed without precipitation or layering. It can complement each other with silicone raw materials, improve product texture and skin feel, and is widely used in high-end cosmetic formulas.
• Q6: Does it support stable bulk supply and technical services?
A6: Standardized high-purity industrial production, stable content, acid value and peroxide value of each batch, sufficient inventory, supports long-term bulk supply and global export. We also provide professional technical support such as formula debugging, silky ester system optimization and powder dispersion formula customization.
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