Colour formation mechanism during the application of a hair dye oxidation

Colour formation mechanism during the application of a hair dye oxidation

19 Sep 2018, 13:30 - 14:00

Marketing Trends Theatre
Language:
Spanish
  • Description of the substrate on which the hair dye is applied: the hair.
  • Brief description of hair structure: pilo-sebaceous unit and hair follicle.
  • Areas in which they can morphologically divide: cuticle, cortex and medulla.
  • Chemical composition of hair fiber. Mechanism of diffusion of the molecules inside the hair.
  • Permanent colouring or oxidation.
  • Definition and profile of the product.
  • Uses and properties.
  • Basic formulation: description of its components and function of each.
  • Surfactants most commonly used in hair dye formulations: cationic, anionic and non-ionic.
  • Function of the surfactant in the formulations.
  • Mechanism of colour formation per oxidation inside the hair.
  • Principle of reaction with oxidation dyes.
  • Primary dyes and couplers: Examples of dye molecules commonly used in hair dyes by oxidation.
  • Colours obtained by reaction between primary dyes and couplers.

Contributors

  • Verónica Celdrán

    Speaker

    Senior Consultant

    Tecnocosmetics

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