EPO granted patent EP3727278A1 to Symrise AG for a cosmetic emulsion composition containing 1,2-decanediol as an active ingredient. The patent covers applications in hair cleaning (A61Q 5/02), deodorants (A61Q 15/00), sunscreen preparations (A61Q 17/04), and skincare products (A61Q 19/00, A61Q 19/10). The designation extends across 38 European states including Germany, France, UK, Italy, Spain, and other EPC member countries.

Manufacturers and developers of cosmetic and personal care products should review this patent to assess potential freedom-to-operate implications for formulations containing 1,2-decanediol in emulsified cosmetic compositions. Companies developing competing products in these application areas may need to design around this patent or seek licensing arrangements with Symrise AG.