Christina Chao

Experience

• 

  Agfa Gevaert

  Aug 2011 - Jul 2012

  Internship - R&D Materials

  Formulation of nanosilver inks suitable for screen printing of highly conductive electronic patterns on a flexible substrate.o Formulation by dispersion of a paste. o Study of the influence of the type and concentration of thickening agent in formulation.o Characterization of dispersions by UV-Visible spectroscopy.o Coatings of flexible substrates.

• 

  L'Oréal

  Mar 2013 - Sept 2013

  Internship - R&I Skin Care and Makeup

  Identification of sustainable processes and products architectures in Skin care and Makeup for Oil/Oil dispersions.o Anhydrous Pickering Emulsions: parametric study and comparison of different stirring processes.o Physico chemical analysis: optical microscope, cone-plate rheometer, Turbiscan Lab.o Development of 2 proofs of concept: suncare and foundation.

• 

  Université de Technologie de Compiègne

  Oct 2014 - Sept 2017

  PhD - EA 4297 Integrated Transformation of Renewable Matter

  Study of the emollient properties of bio-based commercial and synthesized molecules for the substitution of decamethylcyclopentasiloxane (D5) in cosmetics.o Synthesis of diesters and physicochemical characterization.o Sensory evaluation panel training: definition of the lexicon, references and protocols.o Data processing methodology for the research of correlations between physicochemical and sensory data.

• 

  Stéarinerie Dubois

  Apr 2018 - now

  Replacement of low viscosities silicones and hydrocarbons in cosmetics.o Synthesis and refining of esters: esterification, transesterification and deodorization.o Data processing of sensory data.o Development of silicone-free makeup formulations.o Management of a side project with EBI school: alternatives to silicones for antisoaping properties.

  • R&D Manager

    Oct 2019 - now

  • Project leader - R&D Cosmetics

    Apr 2018 - Sept 2019