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Covestro at in-cosmetics Global: to Present Innovative Sun Protection Formulations

Published on 2017-03-29. Author : SpecialChem

Covestro will showcase innovative beauty solutions based on Baycusan® polyurethane raw materials at in-cosmetics Global in London from April 4 to 6, 2017. One theme of the exhibit is skin-friendly, long-lasting sun protection formulations.

Covestro at in-cosmetics Global: to Present Innovative Sun Protection Formulations
Covestro at in-cosmetics Global: to Present Innovative
Sun Protection Formulations


Long Lasting Sun Protection


Children and surfers, in particular, can look forward to this year’s swim season, because formulations containing the film-former Baycusan® C 1004 are extra water-resistant. They retain more than 50 percent of their initial sun protection factor for over an hour even after repeated exposure to water.

Even those who sweat while exercising on the beach can rely on long-lasting protection. In sauna tests, Covestro proved that over 60 percent of the sun protection factor is maintained. Thanks to its outstanding breathability, Baycusan® C 1004 is very well-suited to protecting people from the sun when exercising.

Dr. Sophie Viala from the cosmetics team at Covestro, said:

"In view of the good rub-off resistance, we expect the skin to be sufficiently protected from the sun’s radiation even after drying off with a towel. Corresponding studies currently are being conducted."

The sun protection products are easy to apply and absorb quickly. Because the skin is not sticky, sand does not adhere to it and children won’t complain about that unpleasant, scratchy feeling.

Covestro demonstrated these results using a method developed in-house: Up to 25 percent less sand adhered to the substrate when treated with sun protection formulations containing Baycusan® C 1004 than with samples without the film-former.

Skin-Friendly Sun Protection


Consumers increasingly are in search of sun protection solutions for sensitive skin. Conventional formulations can irritate the eyes when the UV absorber responsible for sun protection migrates to the skin’s surface. Customers want products that offer comprehensive protection against harmful UV radiation but do not irritate the skin.

Sun protection products containing the film-former Baycusan® C 1000 are highly suitable for use on sensitive skin. They reduce the migration of UV absorbers to the skin’s surface by up to 80 percent. Even when used daily, the occurrence of skin irritations is highly unlikely. Because the raw material can well stabilize the formulation, less emulsifier can be used to reduce the risk of skin allergies.

Invisible & Comfortable Sun Protection


Consumers want highly effective sun protection products that display high fresh water and salt water resistance, and form a transparent film even on wet skin. With the new, ethanol-based polyurethane film-former Baycusan® C 2000, Covestro has developed precisely the right product to meet these requirements. Even without the further addition of ethanol, sun protection oils formulated with this product feel pleasantly dry on the skin.

About Covestro

With 2016 sales of EUR 11.9 billion, Covestro is among the world’s largest polymer companies. Business activities are focused on the manufacture of high-tech polymer materials and the development of innovative solutions for products used in many areas of daily life. The main segments served are the automotive, electrical and electronics, construction and the sports and leisure industries. Covestro, formerly Bayer MaterialScience, has 30 production sites around the globe and employs approximately 15,600 people (full-time equivalents) as of the end of 2016.

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Source: Covestro
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