Terephthalylidene dicampho sulfonic acid (inci)

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

Ecamsule; TDSA

Definition
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Terephthalylidene dicampho sulfonic acid is a benzylidene camphor derivative characterized by its excellent photostability. Terephthalylidene dicampho sulfonic acid protects in the range between 290-400 nm with a peak at 345 nm.

The complex organic UV filter is used in cosmetic formulations up to a concentration of 10%.

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Chemical uv filters;

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Last updated on: 29.10.2020