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Observed hair conditions

Chemically Processed or Weakened Hair

Hair exposed to lightening, colour or other chemical services.

Educational orientation only. Product choice and technical services require professional assessment and the current product label/protocol.

Professional observation

Documented visual or sensory signs

Hair whose structure has been altered by chemical services such as bleaching or colouring.

What this means

Hair whose structure has been altered by chemical services such as bleaching or colouring.

Documented context

  • 01Bleaching
  • 02Colour
  • 03Other chemical services
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