PARSOL® DHHB – UVA Protection with Excellent Compatibility

PARSOL® DHHB (INCI: Diethylamino hydroxybenzoyl hexyl benzoate) is an efficient UVA absorber for sunscreen, face care and color cosmetic formulations. It enables broadband protection when combined with effective UVB filters and can also contribute to SPF.

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Speaker: Alexander Kielbassa

Company: Merck KGaA

Title: New Pure Zinc Oxide UV Filters in API Quality for Cosmetic and OTC Sunscreens

Abstract: Consumer demand for clean, more eco-friendly and all-mineral sunscreens is driving the popularity of Titanium Dioxide and Zinc Oxide. Both are approved mineral UV filters in EU and globally. We introduce two new high-purity Zinc Oxide UV filter grades in API quality. Eusolex Z-BASE is a basic UV filter grade including OTC use, whereas Eusolex Z-TEC is an optimized Pharma (OTC) quality offering highest transparency on skin. Both grades meets or exceeds the requirements of current pharmacopoeia, are Kosher, Halal-certified and COSMOS approved. Eusolex Z-BASE is a pure and uncoated microfine Zinc Oxide with rod-like shape crystal clusters, an effective broad-spectrum UV filter with excellently balanced absorbance in UVA & UVB range. Eusolex Z-TEC is also a high-purity uncoated microfine Zinc Oxide, with isometric crystal shape, offering highly effective broad-spectrum UVB & UVA protection and enabling sunscreens with highest transparency on skin. The two new Zinc Oxide UV filter qualities can be used for any type of cosmetic and OTC sunscreen applications, emulsions, creams, fluids, foundations, moisturizes etc. In our introduction we cover the current regulatory situation, how to best disperse and formulate Zinc Oxide UV filters, their compatibility and performance. In the presentation we elucidate newly developed sun protection formulations, with fully passed stability test and their sun protection performance.


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