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EMD is the performance materials business of Merck KGaA in North America, a world market and technology leader in liquid crystals and pearlescent pigments. EMD produces a broad portfolio of products including groundbreaking liquid crystals and OLED materials for displays, materials for the production of integrated circuits, effect pigments for coatings and color cosmetics, and functional materials for energy solutions. Razor-sharp images in smartphones, laptops, flat-screen TVs and tablet PCs around the world begin with EMD display technologies, while the company’s pearlescent pigments add shimmer to car paint, sparkle to lipstick and luminescence to coatings for packaging.

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To continue leading the industry with powerful beauty innovations, we constantly
explore the scientific possibilities and benefits of skin care actives. Each
active ingredient is part of an overall concept of all-round, targeted care.
Whether for skin, oral, or hair care, the RonaCare® portfolio is
brimming with innovative products that can make formulations stand out with
truly impressive product claims.

Our RonaCare® products offer unparalleled benefits:

Safe ingredients conforming to the highest quality and regulatory requirements
Highly innovative, trend-oriented cosmetic solutions based on cutting-edge R&D
Pure natural biomimetic actives which teach us about holistic and, sustainable skin and natural care.

RonaCare

How can you formulate high-quality, consistent products for your consumers and extend the shelf life of the fats and oils you use? The answer: Oxynex® formulation stabilizers. Chemical deterioration caused by oxygen and resulting fatty peroxides can destroy your cosmetic products. Oxynex® helps to ensure the stability of your cosmetics by protecting them from pro-oxida-tive factors such as light, increase in temperature, metal traces, and more. Free radicals at the source of autoxidation chain reactions are inactivated by the intervention of anti-oxidants. Chemical deterioration is an auto-oxidative process caused by action of oxygen in air and can lead to rancidity. Adding antioxidants to your formulations will inhibit the auto-oxidation process, helping to stabilize and protect your formulations.

Oxynex

Stay ahead of the speedy sunscreen market with innovative Eusolex® portfolio. Your formulation needs are supported with the most extensive range of approved organic and inorganic UV filters worldwide. Enjoy your time in the sun! Organic Eusolex® UVA and UVB filters are essential components for formulating powerful protection from the sun. Their mechanism of action is based on a unique technology: The organic filters are sol-gel coated in Eusolex® UV-Pearls® and do not come in contact with sensitive skin, but provide optimal protection at the skin’s surface. Adding Eusolex® to applications such as traditional sunscreens, decorative cosmetics and moisturizers creates an optimal filter combination.

Eusolex

Our RonaFlair® portfolio uses highly-engineered raw materials that not only wear comfortably, but also add a luxurious finish to both skin and cosmetic products. Modern cosmetics have to meet high expectations. Where some want an absolutely matte finish, others are after the ultimate dewy complexion. Some might not be too fussed about radiance, but just want products that wear well and feel comfortable on their skin. Whatever you want your products to offer, we have the secret ingredient that will support your claims: RonaFlair® functional fillers.

These dynamic, functional fillers offer:

Visual skin perfection
Small-sized and multitalented ingredients
Outstanding and easy-to-use formulations

RonaFlair

Our Timiron® line of silverwhite and interference pigments adds sophistication to virtually any formulation. The versatile pigments add an extra dimension of pearlescence to cosmetics or personal care products. The majority of our Timiron® silverwhite pigments is characterized by variable titanium dioxide layers on natural or synthetic mica or aluminum oxide platelets. Our silverwhite pigments vary in particle size distribution, ranging from 1 – 15 μm (Timiron® Supersilk MP-1005) to 20 – 180 μm (Timiron® Ice Crystal). Depending on their particle size and pigment composition, they display different silverwhite lustrous effects ranging from subtle to satiny, pearly, metallic, or even sparkly.

Timiron

Ronastar® high-performance pigments upgrade your products to an unrivaled level. They show up with superior performance such as extremely high chroma, luminous matte effects or crystal-clear sparkle. The majority of Ronastar® pigments display exceptional sparkle, some of which appear even larger than their actual particle size. Others reveal attractive crystal-clear sparkle on small particle scale. Selected pigments impart an extremely smooth and soft feel on the skin and also provide long-lasting properties and effect. Ronastar® even unites deep mystic black with a unique glossy shine and excellent coverage in one intense effect pigment.

Ronastar

IR3535® repellent wasn’t just made for nature, it was inspired by it! In a claim approved by the EPA: “IR3535® is inspired from a naturally occurring amino acid” ß-alanine, which enables the repellent ingredient to boast a fantastic safety record.

In the US, it’s rated as a biopesticide that’s approved for all ages, so it can be used for protecting even small children. In the EU, the evaluation of the ingredient did not set an age restriction, and the WHO classified IR3535® repellent as Class U, which means “unlikely to present acute hazard in normal use (WHO 2004)”. The clear, odorless liquid can be used in lightweight formulations like lotions, sprays, and aerosols, allowing consumers’ skin to breathe easy.

Insect Repellents with IR3535® effectively keep pests like mosquitoes and ticks at bay, lessening the exposure to insect-borne diseases like Zika.

IR3535

Pearlescence plus absorption equals color! Colorona® color luster pigments add not just color, but ready-to-use, intense, vivid color and shine.
The shades of the Colorona® pigments are particularly intense, combining deep absorption color and interference effect all in one. The combination of pearl luster and color in one effect pigment results in a significantly more brilliant color effect than a simple mixture of the two components.

Colorona

The Xirona® color travel pigments shift in color depending on the viewing angle. Each pigment transitions through a specific set of colors, and our line offers hues that cover the entire color spectrum. Xirona® color travel pigments display a range of colors depending on how you look at them. The stability of some intense pigments is so extraordinary that the formulation of softer and stable color shades is currently unparalleled.

Xirona

Oxynex® ST Liquid is a unique stabilizer for light sensitive ingredients. The active substance in Oxynex® ST Liquid is Diethylhexyl Syringylidene Malonate (DESM). The DESM in Oxynex® ST Liquid provides highly effective stabilization of colorants, fragrances, antioxidants and UV filters. Some applications for this product include skin care, sun care, hair care and decorative cosmetics.

Oxynex® ST

RonaCare® Nicotinamide is used as an anti-cellulite agent. Today, everyone knows that due to their protective and regenerative forces, vitamins are among essential ingredients contained in cosmetics.

RonaCare® Nicotinamide

Eusolex® T-AVO inorganic UV filter is a fine, white powdered titanium dioxide silica. It is amphiphilic rutile type titanium dioxide allowing the formulation of high-end UVB and UVA sunscreens. A special silica coating provides increased compatibility and synergy with avobenzone/BMDBM. Suggested applications for this product are sun care, sun protection formulations for children and infants, sun care for sensitive and fair skin, daily skin care products and make-up and foundation creams with sun protection.

Eusolex® T-AVO

Eusolex® OCR organic UV filter is Octocrylene, a clear, viscous yellow liquid. Eusolex® OCR is oil soluble with excellent dissolving properties for solid organic UV filters. It is also a photostabilizer with brilliant photo stability. Eusolex® OCR is for use in any application including traditional sunscreens, daily moisturizers, and color cosmetics.

Eusolex® OCR

Highly effective and pure ingredients to create attractive formulations. Supported by science (in vivo and in vitro studies) and extensive documentation. Developed in-line with regulatory affairs. Offered with worldwide cosmetic formulation support.

RonaCare® AP

RonaCare® Pristine Bright™ offers an effective new “tool” for flawless, porcelain-like complexion. It lends cosmetics such as BB creams, day and night creams and anti-aging products a brightening effect that gives skin a dazzling glow, youthful radiance and luminous skin tone.

RonaCare® Pristine Bright Liquid

RonaCare® Bronzyl™ helps enable tanning with a natural and even skin tone. The extremely pure active ingredient is a multitalent – it can be incorporated into a wide variety of cosmetics such as day and night creams, body care, as well as pre- and after-sun care products.

RonaCare® Bronzyl

RonaCare® CPC has an active ingredient of cetylpyridinium chloride, a cationic wetting and/ or surface-active agent, similar to soap. It can be used in oral care, hair care, and skin care products.

RonaCare® CPC

Ronaflair® White Sapphire is a white Powder. Our functional fillers improve the skin feel, wear properties and the application features of your finished product. E.g. RonaFlair® LDP and RonaFlair® M-Sphere add value to your products by instant wrinkle hiding and texture improvements.

RonaFlair® White Sapphire

EMD Performance Materials

EMD is the performance materials business of Merck KGaA in North America, a world market and technology leader in liquid crystals and pearlescent pigments. EMD produces a broad portfolio of products i

EMD Performance Materials - Knowde

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Functionals - Cosmetic Ingredients - EMD Performance Materials - Knowde

This new interference pigment is part of the Lights Series of our Smart Effects innovation program. Its optimized design of alumina layers and uniform thickness result in a perfectly directed reflection of light. Additionally, our beautiful ingredient is based on an inorganic composition.

Ronastar® Red Lights

Ronastar® Golden Lights is represented by our Effects of Light series under Smart Effects and is guaranteed to provide elegant glow for the next show! A pigment that contains such a fascinating visual depth. Ronastar® Golden Lights amazes with its surreal uniform layering effect. At a first glance the white powder glistens subtly, but the substance contains a secret metallic significance that offers more than meets the eye!

Ronastar® Golden Lights

Ronastar® Black Allure is a luminous matte black powder. It is ideal for graphical elements around the eyes, and can also be used on the lips and nails for smoky sophistication.

Ronastar® Black Allure

Shimmering Effect

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