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

FOUNDATION THEORY COLOUR: DARKENING COLOURED HAIR

Master the technical rules for successful colour transitions when darkening previously coloured hair.

Level: All Levels
Investment: FREE

Who is the ideal student?

  • New stylists building a foundation in colour correction
  • Experienced colourists wanting to refine their darkening techniques
  • Professionals seeking predictable results when dropping 1–3+ levels


Course Description: Darkening previously coloured hair requires a strategic approach to avoid hollow or uneven results. This essential module from the Foundation Theory Colour series teaches you the professional rules for darkening hair by 1 to 3+ levels. Learn how to navigate pre-colouring charts and select the correct technical path to ensure rich, long-lasting, and vibrant depth on every client.

Learning Objectives: To master the professional guidelines and pre-colouration charts required to darken previously coloured hair with total predictability.

Skills Covered:

  • Level Assessment: Identifying the depth of existing artificial pigment
  • Pre-Colouration: Mastering the rules for darkening 1–3+ levels
  • Chart Navigation: Using professional pre-colour charts effectively
  • Tonal Integrity: Ensuring even saturation and long-lasting depth


Your Instructor: L’Oréal Professionnel Education Team
Global experts dedicated to technical excellence and colour innovation.

Learning Style: Online E-Learning

Pre-requisites: None (Part of the 'Foundation Theory Colour' series)

Certification: Yes (Complete the full 10-module series to receive your certificate)

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Foundation Theory: Darkening Coloured Hair