C12-15 alkyl benzoate, widely used in cosmetics, is added to improve the stability of chemical compounds in topical formulations (1).
As regards safety, this study raises a question (2).
References_______________________________________________________________
(1) Stability of benzoyl peroxide in aromatic ester-containing topical formulations.
Majekodunmi BD, Lau-Cam CA, Nash RA.
Pharm Dev Technol. 2007;12(6):609-20.
(2) C12-15 alkyl benzoate: a new cosmetic allergen?
Werbrouck J, Lambrecht C, Goossens A.
Contact Dermatitis. 2015 Oct;73(4):249-50. doi: 10.1111/cod.12419.
Characterization of TiO2 nanoparticles surface modified with aluminum stearate. Egerton TA, Everall NJ, Tooley IR Langmuir. 2005 Mar 29;21(7):3172-8.
