Cosmetic Shell Powder-CAS 9002-88-4
Product Name: Shell Powder
INCI Name: Shell Powder
Alias: Natural Shell Micro Powder, High Purity Shell Filler, High Whiteness Brightening Powder, Soft Texture Makeup Base, Mild Skin-Care Cosmetic Powder, Natural Mineral Fine Powder
CAS No.: 9002-88-4 (Main Calcium Carbonate Composition)
EINECS No.: 207-439-9
Source: Adopts natural high-quality seawater shell raw materials, cleaned, high-temperature sterilized, decalcified, purified, ultra-fine pulverized and multi-stage precise classification. The whole production process is pollution-free, zero chemical addition, low-temperature physical processing retains natural active ingredients. Strictly screened for heavy metals and harmful impurities, fully compliant with EU SCCS, US FDA and domestic cosmetic safety standards. It is a high-grade natural skin-friendly functional powder specially developed for mild brightening, soft texture and skin-nourishing cosmetic formulas.
Grade: Cosmetic Premium Natural Grade (High Whiteness Ultra-Fine Soft Special Grade for Brightening & Mild Skin-Friendly Makeup)
Appearance: Uniform high-whiteness ultra-fine micro powder, pure white and lustrous, no yellowing, odorless and non-toxic. Super fine particle size, smooth and soft texture without coarse particles. The powder features excellent bulkiness, good fluidity, no agglomeration, stable dispersion, natural weak alkalinity, mild and non-irritating, with long-term storage stable performance and no deterioration.
MOQ (Minimum Order Quantity): 25KG
Solubility: Insoluble in water, ethanol and all conventional cosmetic oil-water solvents. Stable physical and chemical properties, no dissolution, swelling or chemical reaction in cosmetic formula systems. It can be uniformly and stably dispersed in powder, paste, cream and emulsion products, with ultra-high formula compatibility, no precipitation, delamination or performance attenuation.
Storage Condition: Sealed and stored in a dry, cool and ventilated dust-free warehouse, avoid humid environment, high-temperature baking and direct sunlight to prevent powder moisture absorption and agglomeration. Keep tightly sealed after opening to maintain powder fineness, whiteness and natural skin-friendly performance.
Shelf Life: 24 Months
Cosmetic Shell Powder, Natural Shell Micro Powder, High Whiteness Shell Filler, Soft Fine Makeup Powder, Skin-Friendly Brightening Powder, Natural Mineral Makeup Base, Mild Moisturizing Cosmetic Powder
Cosmetic Shell Powder-CAS 9002-88-4
Cosmetic Grade Shell Powder is a high-purity natural mineral functional powder exclusive for mild skin-friendly and brightening cosmetics. Made from pure natural seawater shells through physical sterilization and ultra-fine purification, it retains rich natural calcium and mineral trace elements, with unique skin-nourishing and soothing effects that synthetic microspheres cannot replicate.
With high natural whiteness and fine luster, it delivers soft and transparent brightening makeup effect, avoiding fake white and dull makeup. The ultra-fine soft particle structure ensures excellent powder spreadability and skin fitness, creating thin, light and natural nude makeup texture.
It has moderate oil absorption and concealing power, which can effectively balance facial oil shine, uniform skin tone and refine skin texture. Safe, mild and zero irritation, it is the preferred natural raw material for daily nude makeup, sensitive skin mild makeup and skin-care cosmetic formulas.
Key Benefits
• 100% Natural Source, Ultra-Mild & Zero Irritation: Derived from pure natural seawater shells, physical processing without chemical additives, no residual harmful substances, mild and non-sensitizing, perfectly suitable for sensitive skin and baby cosmetics.
• Natural Brightening & Transparent Skin Tone: High natural whiteness and fine luster, softly brighten dull skin, uniform complexion, create clean and transparent nude makeup without fake white and powdery feeling.
• Unique Skin-Nourishing & Soothing Effect: Rich in natural calcium and mineral trace elements, effectively soothe skin discomfort, improve skin smoothness, and endow cosmetics with mild skin care and moisturizing effects.
• Ultra-Fine Soft Texture, Docile Nude Makeup: Superfine and soft particles without gritty feeling, excellent powder fluidity and ductility, improve makeup adhesion, avoid floating powder and mottling, thin and light all day.
• Moderate Oil Control & Non-Drying: Balanced oil absorption performance, effectively adsorb facial excess oil, maintain long-term matte fresh makeup, no dryness and tightness after long-time wearing.
• Wide Formula Compatibility & High Stability: Stable physical and chemical properties, compatible with powder, paste and emulsion systems, no adverse reaction with pigments and skin-care raw materials, stable batch quality for mass production.
Applications
• Natural Nude Makeup Setting Powder: Core filler for high-quality loose powder and pressed powder, creates transparent and soft matte nude makeup, improves powder fineness and natural luster.
• Mild Skin-Care Base Makeup: Widely used in powder foundation and daily base makeup products, brightens skin tone naturally, optimizes makeup texture, and realizes long-wearing non-dry nude makeup effect.
• Soft Color Cosmetics: Applied in blush, eyeshadow and highlight powder, softens color rendering, increases natural luster of color makeup, and makes cosmetic color more gentle and transparent.
• Sensitive & Baby Cosmetics: Preferred natural raw material for sensitive skin and infant mild cosmetics, zero irritation and safe contact, meeting high-standard mild formula requirements.
• Moisturizing & Brightening Primer: Added in makeup primer and isolation cream, smooths skin texture, brightens dull complexion, and improves subsequent makeup fitness.
• Daily Long-Lasting Mild Makeup: Suitable for daily commuter cosmetic formulas, balances oil and moisture, maintains fresh and clean makeup all day, with skin-nourishing and caring effects.
Certificate Of Analysis (COA)
Test Item | Standard Specification | Test Result |
Product Name | Cosmetic Grade Shell Powder | Compliant |
Appearance | Ultra-Fine White Powder, Natural Luster, Odorless | Compliant |
Main Active Ingredient (%) | Calcium Carbonate ≥98.0 | 98.6 |
Whiteness (%) | ≥95.0 | 97.5 |
Moisture Content (%) | ≤0.20 | 0.08 |
Impurity Content (%) | ≤0.10 | 0.04 |
pH Value (10% Suspension) | 7.0~8.5 (Mild Alkaline) | 7.6 |
D50 Particle Size (μm) | 3.0~10.0 (Customizable) | 5.0 |
Fineness Residue (%) | ≤0.05 | 0.02 |
Oil Absorption (g/100g) | 10.0~16.0 | 12.8 |
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 Shell Powder?
A1: The standard MOQ is 25KG, support sample orders for formula testing and trial production, and support customized particle size fineness specifications.
• Q2: Is cosmetic Shell Powder safe for sensitive skin and baby skin?
A2: Yes. It is made of pure natural shell raw materials with physical sterilization and purification process, zero chemical addition, ultra-low heavy metal and harmful residue. Mild and non-sensitizing, fully compliant with international mild cosmetic standards, it is one of the safest natural filler materials for sensitive skin and infant cosmetics.
• Q3: What is the recommended dosage in cosmetic formulas?
A3: Natural nude setting powder: 8.0%–25.0%; Daily base makeup: 5.0%–15.0%; Soft color cosmetics: 4.0%–12.0%; Mild primer & skin-care makeup: 3.0%–10.0%, adjustable according to brightening and soft texture requirements.
• Q4: What is the difference between Shell Powder and PE/PS/PMMA/PP/PTFE microspheres?
A4: Synthetic microspheres (PE/PS/PMMA/PP/PTFE) focus on physical texture modification such as slip, soft focus, high temperature resistance and anti-smudge; Shell Powder is a natural mineral filler, featuring natural brightening, mild skin-nourishing and soothing effects, with natural luster and low irritation, specially used for mild, skin-care and natural nude makeup formulas, making up for the lack of skin-care attributes of synthetic powders.
• Q5: What formula systems is Shell Powder compatible with?
A5: Stable physical and chemical properties, perfectly compatible with powder, paste, cream and emulsion cosmetic systems. Uniform dispersion without agglomeration, stable compounding with pigments, moisturizers and oil-based raw materials, no precipitation or deterioration.
• Q6: What are the formula usage notes?
A6: It is recommended to disperse evenly at low speed to maintain powder fineness; can be compounded with synthetic microspheres to balance natural brightening, skin feeling and oil control; avoid long-term strong acid environment to maintain powder stability.
• Q7: Do you support stable mass supply and customized specifications?
A7: Strictly control whiteness, fineness and impurity indicators to ensure stable brightening and soft texture of each batch. Support customized particle size fineness. Sufficient inventory all year round supports long-term bulk orders and professional formula technical guidance.
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