Decan-1-ol (CAS No.112-30-1; EC No.203-956-9; INCI: Decyl alcohol) is an ingredient listed in the Cosing, with the functions: Skin conditioning (emollient), Surfactant (foam boosting), Fragrance, Surfactant (cleansing), Viscosity controlling.
The substance is not currently regulated by European Cosmetics Regulation 1223/2009, nor is it listed in Annex VI of European CLP Regulation 1272/2008.

Poland intends to classify the substance as follows:
• Skin Irrit. 2, H315 - Causes skin irritation.
• Eye Irrit. 2, H319 - Causes serious eye irritation.

Sources
• ECHA Weekly - New intentions, a proposal and a withdrawal to harmonise classification and labelling, ECHA, 28 August 2024
• Registry of CLH intentions until outcome - Decan-1-ol, ECHA, 26 August 2024