general

Boron Nitride

Boron Nitride

conditioningviscosity modifierskin protectantcolorant

INCI Name

Boron Nitride

Functions

4 Roles

Sustainability

4/10

Category

general

What It Does

Boron Nitride is a synthetic inorganic compound with a hexagonal crystal structure analogous to graphite, giving it an exceptionally soft, silky texture that mimics the slip and lubricity of talc but with superior optical properties. It is widely used in color cosmetics and skin care as a soft-focus agent, as its platelet-like particles scatter light to blur the appearance of pores and fine lines, creating a natural-looking matte finish. Formulators prize it for its chemical inertness, high thermal stability, and ability to improve the spreadability and skin feel of foundations, pressed powders, and primers without caking or emphasizing texture.

Improves slip and manageability
Reduces static and frizz
Adds shine and smoothness
Protects from mechanical damage

Technical Properties

Ionic Charge

nonionic

Molecular charge type

Viscosity Effect

neutral

Impact on formula thickness

Foaming Ability

none

Lather generation

Ingredient Compatibility

Works Well With

pigments and colorantstalc and mineral fillerssiliconeswaxesfilm formersmost emollientspressed powder binders

Avoid Combining

strong oxidizing acidsstrong reducing agents
Compatibility analysis powered by OpenMix — open-source formulation science

Sustainability Profile

Sustainability Score

4/10

Biodegradability

not readily biodegradable

Source

synthetic

Feedstock

Produced synthetically from boric acid and ammonia or urea at high temperatures; not derived from renewable biological sources

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