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Cosmetic-Grade Boron Nitride

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General Information

Product Name: Cosmetic-Grade Boron Nitride
Catalog: CI-IFP-007
Applications: Face makeup, eye and cheek products, lip products, sun care, skin care.

As a professional supplier of cosmetic raw materials, Alfa Chemistry specializes in high-performance inorganic functional powders, including cosmetic-grade boron nitride. Often referred to as "white graphite" due to its structural resemblance to carbon, it offers a complete opaque finish while imparting a remarkably soft and velvety feel to products. With its unique crystal structure and exceptional sensory and functional properties, boron nitride has emerged as a multifunctional ingredient widely used in modern cosmetic formulations.

Our Product Range

Alfa Chemistry offers three distinct types of boron nitride to meet diverse cosmetic formulation needs.

Type I (Untreated Boron Nitride): It is our foundational product, offering excellent lubricity and soft-focus effects. It's ideal where its natural characteristics are paramount or for formulators preferring in-house surface modification.
Type II (Triethoxycaprylylsilane Treated Boron Nitride): It is surface-treated to enhance hydrophobicity and dispersibility in oil and silicone systems. This improves compatibility, dispersion, and wear time, perfect for hydrophobic formulations.
Type III (Dimethicone Treated Boron Nitride): It is optimized for silicone-based formulations. This treatment amplifies the silky feel and improves spreadability, delivering a premium texture and seamless integration into silicone-heavy products.

Basic Properties

Chemical Properties

Pb	As	Hg	Cd	Sb	Ni	Cu	K	Fe	Na
≤10ppm	≤2ppm	≤1ppm	≤5ppm	≤10ppm	≤10ppm	≤10ppm	≤10ppm	≤10ppm	≤10ppm

Particle Size

Items	Surface Treatment	D50 (μm)
Type I	Untreated	8
		10
		15
Type II	Triethoxycaprylylsilane Treated	7
Type III	Dimethicone Treated	10

Characteristics of Cosmetic-Grade Boron Nitride

Cosmetic-grade boron nitride is primarily composed of hexagonal boron nitride (h-BN), a white, opaque material with a layered crystalline structure similar to graphite. This structure gives rise to several unique properties beneficial for cosmetic use:

Silky, Velvety Texture: Its platelet morphology and ultra-fine particle size provide a luxurious, smooth feel on the skin, improving spreadability and sensorial comfort.
Exceptional Slip and Soft Focus Effect: With a low coefficient of friction, boron nitride offers excellent glide and enhances product application. Its light-scattering ability delivers a soft-focus effect, helping to blur fine lines and create a radiant complexion.
Oil Absorption and Mattifying Capability: Its high surface area and lipophilic nature enable effective absorption of excess sebum, reducing greasiness and shine.
High Adhesion and Pressability: It improves powder compressibility and binding strength, optimizing the texture and stability of pressed powder products.
Non-Toxic and Chemically Inert: Boron nitride is safe for topical use, non-irritating, and does not react with active ingredients, ensuring product stability and skin compatibility.

Applications Across Cosmetic Categories

Cosmetic-grade boron nitride is valued across a wide range of cosmetic products due to its multifunctional benefits:

Face Makeup: In foundations, BB creams, and concealers, boron nitride enhances coverage, spreadability, and adhesion. It contributes to a natural, soft-matte finish with excellent wearability.
Eye and Cheek Products: In eyeshadows, blushes, and highlighters, it improves pigment adhesion, enhances color intensity, and imparts a subtle, pearlescent glow. It also prevents creasing and fallout.
Lip Products: In lipsticks and glosses, boron nitride improves glide during application and helps maintain a smooth, non-sticky finish. It contributes to better color payoff and lasting comfort.
Sun Care: Its light-scattering and heat-dissipating properties make boron nitride a valuable additive in sunscreens, where it supports even dispersion of UV filters and reduces greasiness.
Skin Care: In moisturizers and mattifying creams, boron nitride imparts a silky after-feel while helping control oil, reduce tackiness, and refine skin texture.

As your trusted supplier of inorganic functional powders, Alfa Chemistry is committed to providing top-tier raw materials that empower your cosmetic innovations. Our cosmetic-grade boron nitride is a testament to this commitment, offering unparalleled performance and sensory benefits. Please feel free to contact us for further information.

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