Tetra-Triethoxysilylpropyl Dodecanediamine
A cosmetic ingredient used as hair conditioning, hair fixing, hair waving or straightening in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Tetra-Triethoxysilylpropyl Dodecanediamine is the organic compound.
What does it do?
Tetra-Triethoxysilylpropyl Dodecanediamine is listed in the EU cosmetic ingredient inventory with the following declared functions:
-
Hair conditioning
improves the appearance, feel, and manageability of hair
-
Hair fixing
holds hair in a desired style, typically through a flexible film coating each strand
-
Hair waving or straightening
permanently changes the shape of hair through chemical reduction and re-oxidation of the hair's disulfide bonds
-
Surface modifier
alters the surface properties of solid particles (e.g. pigments) so they disperse better in the formulation
-
Skin conditioning - miscellaneous
improves skin condition through mechanisms not classified under the more specific emollient or humectant subcategories
EU regulatory status
Tetra-Triethoxysilylpropyl Dodecanediamine is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Tetra-Triethoxysilylpropyl Dodecanediamine?
Tetra-Triethoxysilylpropyl Dodecanediamine is a cosmetic ingredient catalogued in the EU CosIng database. Tetra-Triethoxysilylpropyl Dodecanediamine is the organic compound.
Is Tetra-Triethoxysilylpropyl Dodecanediamine allowed in cosmetics in the EU?
Yes. Tetra-Triethoxysilylpropyl Dodecanediamine is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Tetra-Triethoxysilylpropyl Dodecanediamine do in cosmetic products?
Tetra-Triethoxysilylpropyl Dodecanediamine is declared in the EU cosmetic ingredient inventory with these functions: hair conditioning, hair fixing, hair waving or straightening, surface modifier, skin conditioning - miscellaneous.
What is the CAS number of Tetra-Triethoxysilylpropyl Dodecanediamine?
The CAS (Chemical Abstracts Service) number for Tetra-Triethoxysilylpropyl Dodecanediamine is 3046257-29-5.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 25/06/2026