Ronastar® Diamond Black Cosmetic Pigment

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A Novel Pigment adds “Lustrous Black” Effects and Dark Drama

The color black is at the heart of the most sought-after makeup looks: Raven black lustrous lashes, a sharply curved line defining the shape of an eye, a smokey makeup style that adds glamour and depth.

A “dark, lustrous pigment”, however, is as rare as a black diamond. Merck comes to the rescue as we are once again the first to bring a revolutionary ingredient to beauty brands and cosmetics manufacturers all over the world.

Introducing Ronastar® Diamond Black
The inorganic cosmetic pigment is based on evenly shaped aluminum oxide  with a small particle size and a sophisticated coating process with silica and iron oxide. The composition features an ideal light reflection without light scattering centers for an even and intense sheen.

You will see the difference at first glance – and so will your customer.

Glossy mystery meets versatility
Black is beautiful and versatile. How about a high-fashion nail polish? Or a leave-in conditioner that intensifies a darker hair color? Create bold ideas for products that need lustrous dark effects and let Ronastar® Diamond Black help you realize your vision.

Ronastar® Diamond Black is in compliance with REACH. and suitable for all color cosmetic and personal care applications.