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Dow Corning XIAMETER PMX 1403 is a silicone additive specifically for personal care in Dow Corning's XIAMETER series. Designed for formulas of skin care, color cosmetics and products, it is a composite solution of ultra-high viscosity polydimethylsiloxanol and low viscosity polydimethylsiloxane, with excellent skin feel regulation and active ingredient synergistic effects
Active Synergistic Effect - Enhances the affinity of other active ingredients in the formula, strengthening efficacy penetration and absorption
Silky Skin Feel Regulation - Endows skin with delicate and silky touch, improving product spreadability
Breathable Protective Film Formation - Forms a waterproof and breathable film, locking moisture while blocking external stimuli
Low Volatility & High Stability - Low volatility and stable chemical properties, ensuring formula storage and use stability
Basic Skin Care Field - Hand and body lotion, moisturizing cream formulas, enhancing moisture locking and skin feel
Sunscreen Protection Field - Sunscreen formulas, improving sunscreen dispersibility and waterproof durability
Color Cosmetics Field - Foundation, eyeshadow and other color cosmetic formulas, enhancing application smoothness and makeup adherence
Cleansing Field - Body wash, body lotion formulas, reducing skin dryness after cleansing
Hair Care Field - Conditioner, hair mask formulas, improving hair smoothness and anti-frizz performance
| Brand | Dow Corning |
| Chemical Composition | Polydimethylsiloxane (and) Polydimethylsiloxanol |
| English Name | Polydimethylsiloxane (and) Polydimethylsiloxanol |
| INCI Name | Polydimethylsiloxane, Polydimethylsiloxanol |
| Appearance | Transparent liquid |
| Silicone Content | 100 % |
| Polydimethylsiloxanol Content | 12 - 14 % |
| Viscosity (25℃) | 4000 mm²/s |
| Specific Gravity (25℃) | 0.93 |
| Flash Point (Closed Cup) | 135 ℃ |
Q1: What is the primary function of XIAMETER PMX 1403 in formulations?
A: XIAMETER PMX 1403 is a low-viscosity, non-reactive dimethyl silicone fluid primarily used as a surface modifier to improve slip, lubricity, and substrate wetting—especially in coatings, inks, adhesives, and personal care emulsions.
Q2: Is PMX 1403 compatible with water-based systems?
A: Yes, PMX 1403 can be incorporated into water-based systems using appropriate high-shear mixing or with the aid of co-solvents or surfactants; however, it is not inherently water-soluble and requires stabilization for uniform dispersion.
Q3: How does PMX 1403 differ from reactive silicone fluids like silanol-terminated PDMS?
A: Unlike reactive silicones, PMX 1403 contains no functional end groups—it is chemically inert and does not participate in crosslinking or condensation reactions, making it suitable for applications where long-term stability and non-interference with cure chemistry are required.
Q4: Can PMX 1403 be used in direct-contact personal care applications?
A: Yes, PMX 1403 is commonly used in rinse-off and leave-on cosmetic formulations such as hair conditioners and skin lotions, where its sensory benefits—smoothness, softness, and reduced tack—are valued; formulation compatibility and final product safety assessment remain the responsibility of the formulator.
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