Foundation Theory Colour: Darkening Coloured Hair Image
E-Learning Fundamentals levelL’Oréal Professionnel Paris

Foundation Theory Colour: Darkening Coloured Hair

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What you will learn

There are many ways of darkening coloured hair depending how dark you want to go.


In this online learning, you will discover how to darken the hair 1-3+ levels and the correct pre colour charts.


  • Certification : Yes (need to complete whole Foundation Theory Colour series - make sure you enrol in the master learning plan 'Foundation Theory Colour' to find your certificate linked to these 10 modules)
  • Level: For all – from new to experienced
  • Content type: Online learning

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Foundation Theory: Darkening Coloured Hair