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IOTA 9939 PEG-12 Dimethicone: The Ideal Choice for Water-Soluble Silicone Surfactants

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In the formulation of personal care products, combining the silky touch of silicone with the refreshing experience of water-based systems has always been a goal pursued by formulators. IOTA 9939 PEG-12 Dimethicone, with its polyether-modified structure, miscibility with water in any proportion, and excellent surface activity, becomes an ideal multifunctional additive for products such as hair gels, facial cleansers, creams, and mousses.


Why Choose IOTA 9939

Completely Water-Soluble, Formulation Flexibility

  • Miscible with water in any proportion, offering extremely high formulation design freedom

  • No complex emulsification processes required, can be directly added to water phase systems

  • Good compatibility with nonionic, anionic, and cationic systems

Excellent Surface Activity

  • Significantly reduces liquid surface tension, providing outstanding wetting and spreading properties

  • Ideal emulsifier for various silicone oils and other oily raw materials

  • Promotes penetration of active ingredients, enhancing product efficacy

Outstanding User Experience

  • Silky, soft skin feel, imparting a premium touch to products

  • Good breathability, does not clog pores, skin feels lightweight

  • Long-lasting gloss retention, enhancing the appearance of hair and skin

Multifunctional Properties

  • Antistatic properties, reducing hair frizz

  • Good foam stability, suitable for foaming products such as mousses and facial cleansers

  • Non-irritating to skin, gentle and safe


Technical Specifications

Parameter Specification
Appearance Colorless to slightly yellow transparent liquid
Viscosity (25℃) 250-500 cSt
Refractive Index (25℃) 1.4500-1.4600
Specific Gravity (25℃) 1.070-1.080
Cloud Point ≥80℃
Solubility Miscible with water in any proportion
Ionic Type Nonionic

Main Application Areas

 Hair Care Products

  • Hair Gels, Styling Gels: Provides silky touch, maintains gloss

  • Mousses: Stabilizes foam, improves user experience

  • Conditioners, Hair Masks: Softens and smooths, antistatic properties

  • Styling Sprays: Improves spreadability, reduces tackiness

 Face and Body Cleansers

  • Facial Cleansers: Gentle cleansing, non-tightening after wash

  • Shower Gels: Improves foam quality, enhances skin feel

  • Makeup Removers: Promotes emulsification of oily components, improves cleansing efficiency

 Skin Care Creams

  • Facial Creams, Lotions: Provides silky skin feel, promotes absorption

  • Sunscreen Products: Improves spreadability, enhances user experience

  • Eye Creams, Serums: Gentle and non-irritating, suitable for sensitive skin

 Aerosol Products

  • Shaving Foams: Stabilizes foam, lubricates skin

  • Styling Mousses: Fine foam, good styling effect

  • Sunscreen Sprays: Improves spreading uniformity


Usage and Formulation Recommendations

Recommended Dosage

Application Type Recommended Dosage
Hair Gels/Mousses 1-5%
Facial Cleansers/Shower Gels 1-3%
Creams/Lotions 2-5%
Aerosol Products 0.5-3%

Formulation Tips

  • Can be directly added to the water phase, operable at room temperature or with heating

  • Good compatibility with thickeners such as Carbomer and cellulose

  • Can be compounded with various surfactants, adaptable to different formulation systems

  • Recommended to add during the final stage of formulation development, avoiding prolonged heating at high temperatures

Dissolution and Dilution

  • Miscible with water in any proportion, can be pre-dissolved as an aqueous solution

  • Can also be directly added to the oil phase as an emulsifier


Packaging and Storage

Parameter Description
Packaging Specifications 25 kg/drum, 200 kg/drum (plastic or iron drums)
Storage Conditions Cool, dry, ventilated place, avoid direct sunlight
Storage Period 12 months in original sealed packaging
Precautions Avoid storage with strong acids and alkalis to prevent product deterioration

Our Technical Support Commitment

  • Provides complete product technical documentation and safety data sheets

  • Offers formulation optimization recommendations and application guidance based on application requirements

  • Assists customers in solving technical problems encountered during product development

  • Provides compliance documentation support for cosmetic ingredients


From Hair Gels to Facial Cleansers, from Creams to Mousses—IOTA 9939, with the Intelligence of Water-Soluble Silicone, Infuses Personal Care Products with Silky Touch and Excellent Performance.

Choosing IOTA 9939 Is Not Just Selecting a PEG-12 Dimethicone—It Is Choosing a Multifunctional Solution That Maintains the Excellent Properties of Silicone Even in Water-Based Systems.

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