CheckVegan

Is Polysilicone-15 vegan?

Polysilicone-15

Vegan Vegan
Vegetarian Vegetarian

Polysilicone-15 is a synthetic siloxane polymer used in hair care products and sunscreens to absorb UVB radiation, marketed under the trade name Parsol SLX.

Also known as Dimethicodiethylbenzalmalonate, Parsol SLX
INCI name Polysilicone-15
CAS number 207574-74-1
EC number 426-000-4
CosIng ID 41309
Last reviewed 9 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.

Report an issue