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Home › Combination of hollow microspheres of a thermoplastic synthetic material, hexagonal boron nitride and N-acyl lysine as a homogenization agent for cosmetic compacted powders

Combination of hollow microspheres of a thermoplastic synthetic material, hexagonal boron nitride and N-acyl lysine as a homogenization agent for cosmetic compacted powders

US Patent 5206012 · Granted Apr 27, 1993

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