UL Prospector

PARSOL® 1789


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PARSOL® 1789 is the most-used UVA organic sunscreen in the world and the only approved broad spectrum UVA organic sunscreen in the USA. It enables broadband protection when combined with effective UV-B filters - and can also boost SPF values. PARSOL® 1789 is an oil-soluble, white-to-pale yellow powder that must be completely solubilized in formulations. It works with a range of solubilizers including the UV-B filters PARSOL® 340, PARSOL® EHS, PARSOL® MCX, and many emollients; PARSOL® 1789 should be photostabilized with PARSOL® 340 or another photostabilizer. This product is approved worldwide in various concentrations.

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Retailer Compliance Status

Name (CAS Number)
1,3-Propanedione, 1-[4-(1,1-dimethylethyl)phenyl]-3-(4-methoxyphenyl)- (70356-09-1) Sign in to view

Regulatory & Advisory Status

Name (CAS Number)
1,3-Propanedione, 1-[4-(1,1-dimethylethyl)phenyl]-3-(4-methoxyphenyl)- (70356-09-1)
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Compliance information powered by UL's ChemADVISOR™ Regulatory Database.


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