Functions
Absorber
Opacifier
Soft-focus agent
Skin conditioning
CAS Number(s)
10043-11-5
EINECS number(s)
233-136-6
FDA UNII
2U4T60A6YD
INCI name
Boron Nitride
Boron Nitride (BN) is a chemically stable compound of nitrogen and boron. It has become a popular cosmetic ingredient because of its unique combination of silky feel, skin adhesion, and processability.
Boron Nitride is widely used in decorative cosmetics, including concealers, eye preparations, lipsticks, and skin care products. Therefore, it is beneficial to know how BN's optical properties influence the soft focus effect.
There are many commercially available Boron Nitride powders optimized for properties such as slip, skin adhesion, and oil adsorption. Depending on the grinding level they are useful raw materials for a variety of applications in a wide range of powders available commercially.
Boron Nitride is one of the most "tailorable" cosmetic ingredients. By changing the particle size, shape, and surface features, it can be used in different cosmetic applications. It provides an excellent compromise between soft focus and other desirable properties of BN, such as lubricity and skin adhesion.
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