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Cosmetic Grade Micro Titanium Dioxide for Transparent High-SPF Formulations

Kmeris^® 3328YH Micro Titanium Dioxide has emerged as a promising cosmetic ingredient, drawing significant attention for its ability to protect the skin from harmful ultraviolet radiation, which can lead to sunburn and premature aging.

Chemical Name :
Micro Titanium Dioxide
Application :
Sunscreen Cream, Sunscreen Water (Sunscreen Lotion / Sun Milk), Sunscreen Gel / Sunscreen Fluid
Product model :
3328YH
Appearance :
White Powder
brand :
Kmeris

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product introduction

Kmeris^® 3328YH is a high-performance ultrafine (nano) titanium dioxide specifically engineered for various sunblock creams, sunblock water, skin care milk etc. Utilizing a unique lanceolate (needle-like) crystal morphology combined with a dual-layer surface treatment (Aluminum Hydroxide & Stearic Acid), this product delivers exceptional UV protection while maintaining superior transparency and an elegant skin feel.

Technical Indicators:

Crystal Type	Rutile
Loose Density (g/mL)	≤ 200
Grain Size(nm)	≈15
Laser particle Size DS(50) (nm)*	≈80
Specific Surface Area (m2/g)	≈50
Zeta Potential (mV)	-5~5
TiO₂Content (%)	70~80
Water Quenched pH	7.0~9.0
Surface Treatment	AI Organic

Key Features & Benefits

1. Optimized Lanceolate Morphology (45nm)

Unlike conventional spherical or cubic nano-TiO₂, Kmeris^® 3328YH features a distinct lanceolate (needle-like/spindle) shape with an average particle size of approximately 45nm.

High UV Scattering Efficiency: The anisotropic shape maximizes scattering of UVB (and partial UVA) radiation, achieving higher SPF with lower loading levels compared to spherical particles.

Excellent Transparency: With particle dimensions below the visible light wavelength (400-700nm), it minimizes visible light scattering, resulting in transparent application and no unpleasant whitish cast on skin.

2. Advanced Surface Treatment (Alumina + Stearic Acid)

To address photocatalytic activity and dispersibility, Kmeris^® 3328YH features a robust two-step coating system:

Inner Layer: Aluminum Hydroxide (Alumina) – Acts as an inert barrier that effectively suppresses photocatalytic activity, ensuring formulation stability and enhanced product safety.

Outer Layer: Stearic Acid – Provides strong hydrophobicity.

Superior Skin Feel: Reduces oil absorption, delivering a smooth, non-chalky, and non-drying after-feel.

3. Superior SPF Boosting & Broad-Spectrum Protection

UVB Shielding: Highly efficient UVB absorber; also contributes to UVA protection.

Synergistic Effects: Kmeris^®3328YH works synergistically with organic UV filters (e.g., Bemotrizinol, Diethylamino Hydroxybenzoyl Hexyl Benzoate) to significantly boost overall SPF, allowing formulators to reduce organic filter load and minimize skin irritation potential.

Functional Uses:

Sunscreen Agent – Provides effective UV protection (UVB/UVA shielding)

Coloring Agent – Adjusts and enhances product color

Physical Covering Agent – Instantly conceals skin imperfections (e.g., blemishes, redness) and offers a matte/natural finish

Suitable Product Types:

Sunscreen Cream

Sunscreen Water (Sunscreen Lotion / Sun Milk)

Sunscreen Gel / Sunscreen Fluid

Package and Storage

Standard package 10kg/box, and keep in dry and cool room avoid of sunshine directly.

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