Texture
What is the hair's natural pattern?
StraightWavyCurlyCoily
Professional Hair & Fibre Education
Read the fibre before selecting the treatment path.
Use these fundamentals to organise observation and professional assessment. They are educational reference points, not a medical diagnosis and not a substitute for the current product label, strand testing or professional judgement.
Illustrative educational imagery. These visuals are not microscopy, laboratory evidence or proof of a product result.
Hair & fibre fundamentals
Six characteristics to observe before the objective
The same visible concern can appear in very different hair profiles. Review the fibre and service history before moving to a system or product.
Strand thickness
How would you describe the strand diameter?
FineMediumCoarse
Porosity
How does the hair usually take up and release water?
LowMediumHigh
Elasticity
When a wet strand is gently stretched, what do you observe?
RegularAlteredHighly altered
Observed condition
Which visual/sensory level best describes the hair today?
Level 1Level 2Level 3Level 4Level 5
Chemical history
Which best describes the recent service history?
No recent chemical serviceColourGlobal lighteningHighlights / balayageChemical smoothing / straightening
Treatment objectives
Then define the treatment objective
The objective is considered together with the hair profile. Use the structured assessment when the context is not yet clear.
01
Recovery / conditioning
02
Professional lightening
03
Toning / colour direction
04
Care / shine