HAIR DIAGNOSTIC HAIR DIAGNOSTIC The consultation is key to a successful hair colouring procedure and a strict formula of hair diagnostics should be followed prior to every colour application. The first step is an understanding of the three distinctive layers of the hairs structure.
Describe each of the following: The Cuticle
The protective outer layer is formed of overlapping layers of translucent scales through which the
colour pigment can be seen clearly. The scales hinge outwards to allow chemical treatments to penetrate The Cortex
The cortex is the middle layer of hair and forms its main bulk. It contains the hairs natural
pigment. The long cable like fibres hold the natural moisture and protein, giving strength and pliability. The Medulla
The innermost layer of the hair which is comprised of soft spongy matter which serves no
purpose and is not always present in hair with finer density.
HAIR HISTORY Why is it so important to discover the clients hair history?
It is essential to ascertain the hair history as this could
dramatically alter the result of the chosen shade and technique. A visual assessment will determine what?
If the hair is in a natural state , or has been previously coloured.
Why is it important to ask open ended questions?
Regarding previous chemical services will give a more
detailed background to the number and type of treatments previously applied to the hair.
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HAIR DIAGNOSTIC
