Cosmetic Polystyrene Powder-CAS 9003-53-6
Product Name: Polystyrene
INCI Name: Polystyrene
Alias: Cosmetic PS Powder, PS Spherical Microsphere, Skin Grinding Soft Focus Agent, Pore Blurring Matte Filler, Ultra-Smooth Texture Improver, Lightweight Makeup Base Powder
CAS No.: 9003-53-6
EINECS No.: 618-341-4
Source: Adopts high-purity styrene monomer, synthesized by precise suspension polymerization, low-temperature curing, multi-stage classification screening and ultra-purification treatment. The whole process is dust-free and sterile, with ultra-low residual monomers and heavy metal impurities, no asbestos, no solvent residue and no irritating components. Fully compliant with EU SCCS, US FDA and domestic cosmetic safety regulations, it is a high-standard spherical polymer functional powder specially developed for high-definition skin grinding and soft matte delicate makeup.
Grade: Cosmetic Premium Spherical Grade (High Uniformity Ultra-Smooth Special Grade for Soft Focus Pore Blurring & Fine Matte Makeup)
Appearance: Uniform white ultra-fine spherical microsphere powder, pure white color without yellowing, odorless. Perfect spherical particle shape, smooth and compact surface, ultra-narrow particle size distribution, zero coarse particles. Excellent powder fluidity and bulkiness, no agglomeration, strong dispersion stability, stable physical and chemical inertness, long-term storage without deterioration.
MOQ (Minimum Order Quantity): 25KG
Solubility: Insoluble in water, ethanol and all conventional cosmetic oil-water solvents. Completely chemically inert in cosmetic formula systems, no dissolution, swelling or chemical reaction. It can be uniformly and stably dispersed in powder, paste, cream and emulsion products, with ultra-high formula compatibility, no precipitation, delamination and deterioration.
Storage Condition: Sealed and stored in dry, cool and ventilated dust-free warehouse, avoid high temperature, humidity and direct sunlight to prevent particle agglomeration and attenuation of optical soft-focus performance. Keep tightly sealed after opening to maintain spherical particle integrity, powder bulkiness and stable skin grinding effect.
Shelf Life: 24 Months
Cosmetic Polystyrene Powder, PS Microsphere, Spherical Makeup Filler, Skin Grinding Soft Focus Powder, Pore Blurring Texture Modifier, Ultra-Smooth Matte Powder, Low Density Lightweight Cosmetic Powder
Cosmetic Polystyrene Powder-CAS 9003-53-6
Cosmetic Grade Polystyrene (PS) is a high-purity uniform spherical polymer microsphere powder for high-end cosmetics. With ultra-high sphericity and ultra-narrow particle size distribution, it has excellent light diffusion and skin texture filling advantages that traditional inorganic powders lack.
It can uniformly scatter and refract light on the skin surface, blur pores and fine lines in all directions, and create natural high-definition soft-focus skin grinding effect. Its super-light low-density feature realizes zero-weight nude makeup, avoiding the heavy and dull makeup defect of traditional fillers. The smooth spherical rolling mechanism greatly optimizes powder ductility and skin adhesion, bringing silky and delicate makeup feeling.
With mild and stable oil absorption capacity, it balances skin oil and shine without dryness, effectively resists makeup dullness and maintains long-term transparent matte makeup. Safe, inert and non-irritating, it is the core delicate texture upgrading material for modern high-end soft-focus nude makeup.
Key Benefits
• High Uniformity Soft Focus, HD Skin Grinding: Ultra-high sphericity microspheres achieve uniform light diffusion, visually erase pores and fine lines, create natural skin-like soft-focus makeup, no fake white, no mask feeling.
• Super Light & Zero Burden, Thin Breathable: Lower density than conventional cosmetic powder, effectively reduce makeup heavy feeling, realize zero-weight nude makeup, breathable and not stuffy for long-term wearing.
• Spherical Rolling & Ultra-Smooth Skin Feeling: Compact and smooth spherical surface reduces friction, optimizes powder spreadability, eliminates gritty and powdery feeling, makeup is docile and delicate.
• Mild Oil Control & Long-Lasting Non-Darkening: Stable moderate oil absorption value, balanced oil control without dryness, absorbs excess grease to eliminate oil shine, resists oxidation and dullness, keeps makeup clean and transparent all day.
• Fill Texture & Refine Skin Quality: Fill uneven skin texture and shallow concave pores, smooth skin lines, improve makeup flatness, and enhance three-dimensional delicate skin feeling.
• Inert Safety & Full Formula Compatibility: High-purity polymer inert material, non-toxic and non-irritating, no reaction with pigments and cosmetic raw materials, stable color rendering, safe for sensitive skin.
Applications
• Soft Focus Setting Powder Series: Core functional filler for loose powder, pressed powder and setting powder, endows products with excellent HD skin grinding effect, blurs pores, improves powder smoothness and bulkiness.
• Lightweight Matte Base Makeup: Widely used in powder foundation, cushion powder, liquid foundation and concealer, optimizes base makeup texture, reduces heavy powdery feeling, balances oil and matte, and creates thin and high-grade nude makeup.
• Eye & Cheek Color Cosmetics: Applied in blush, eyeshadow, contour and highlight powder, improves powder spreadability and color uniformity, makes color rendering soft and layered, and enhances makeup delicacy.
• Primer & Isolation Products: Used in makeup primer and isolation cream, smooths rough skin texture, fills fine lines and pores, improves base makeup adhesion, and prevents floating powder and makeup peeling.
• High-Definition Delicate Makeup Formulas: Preferred material for high-end HD soft-focus makeup, replaces heavy inorganic powder, upgrades makeup fineness, and creates natural skin-like delicate texture.
• Long-Wearing Mild Cosmetics: Suitable for sensitive skin and long-wearing cosmetic formulas, low friction and non-irritating, reduce skin pressure and achieve comfortable long-term makeup.
Certificate Of Analysis (COA)
Test Item | Standard Specification | Test Result |
Product Name | Cosmetic Grade Polystyrene (PS) | Compliant |
Appearance | White Spherical Ultra-Fine Powder, Odorless | Compliant |
Purity (%) | ≥99.0 | 99.7 |
Whiteness (%) | ≥96.0 | 98.6 |
Moisture Content (%) | ≤0.15 | 0.07 |
Residual Monomer (%) | ≤0.01 | 0.004 |
pH Value (10% Suspension) | 6.0~7.5 | 6.8 |
D50 Particle Size (μm) | 3.0~10.0 (Customizable) | 5.0 |
Sphericity (%) | ≥95.0 | 98.5 |
Oil Absorption (g/100g) | 11.0~17.0 | 14.6 |
Heavy Metal (Pb) | ≤1ppm | 0.1ppm |
Arsenic (As) | ≤0.5ppm | Not Detected |
Mercury (Hg) | ≤0.1ppm | Not Detected |
Cadmium (Cd) | ≤0.1ppm | Not Detected |
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 PS Powder?
A1: The standard MOQ is 25KG, support sample orders for formula testing and trial production, and support customized particle size and sphericity specifications.
• Q2: Is cosmetic Polystyrene safe for facial skin?
A2: Yes. Adopts high-purity polymerization and deep purification process, ultra-low residual monomer and heavy metal content, no harmful residues. Non-toxic, non-irritating and non-sensitizing, chemically inert and stable, fully compliant with international cosmetic safety standards, safe for long-term facial and sensitive skin contact.
• Q3: What is the recommended dosage in cosmetic formulas?
A3: Soft focus setting powder: 4.0%–18.0%; Lightweight liquid foundation & base makeup: 2.0%–10.0%; Eye & cheek color cosmetics: 3.0%–12.0%; Makeup primer & isolation: 2.0%–7.0%, adjustable according to soft focus and skin smoothing effect requirements.
• Q4: What is the difference between PS and PMMA microspheres?
A4: Both are high-quality spherical soft-focus powders; PS has lighter texture, lower oil absorption and more natural matte effect, with ultra-smooth skin feeling, more suitable for ultra-light nude makeup and natural soft matte formulas; PMMA has slightly stronger oil absorption and better three-dimensional filling effect, more suitable for high-definition modified makeup.
• Q5: What formula systems is it compatible with?
A5: Chemically inert and stable, perfectly compatible with powder, paste, cream and emulsion cosmetic systems. Uniform dispersion without agglomeration, no adverse reaction with pigments, moisturizers and conventional cosmetic raw materials.
• Q6: What are the formula usage notes?
A6: High-speed low-shear dispersion is recommended to protect spherical integrity; avoid excessive high-temperature processing to prevent particle deformation; reasonably match with oil-absorbing powder to balance matte effect and skin moisture.
• Q7: Do you support stable mass supply and customized specifications?
A7: Strictly control particle size, sphericity and whiteness to ensure stable batch soft-focus and skin smoothing performance. Support customized particle size specifications. Sufficient inventory all year round supports long-term bulk orders and professional formula technical guidance.
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