Hair Colouring Myths and Magic – Part 1
Dangerous, Skin Cancer, Allergies, we have all seen the pictures and horrible stories of hair falling out, skin falling off, scarring for life and even death!! So what is the truth?
Lets take a look at how hair colouring works. The pigment that gives your hair its colour resides just under the outer protective layer (cuticle) in the inner structure known as the cortex, these small pieces of pigment show through the cuticle and give you your hair colour. In order to change the colour you need to do one or a combination of three things:
- Remove the pigment – bleaching which lightens and/or breaks down the pigment so it can be washed away
- Add new pigment into the hair structure
- Coat or stain the outer cuticle layer
The first two have longer or more permanent results, whilst the last one is largely temporary.
The first effect is achieved by bleaching, this does not introduce any pigment into the hair, only removes it. Bleach should not be confused with Peroxide – Peroxide is required to make bleach and all permanent colour work (more later)
The second is often referred too as Permanent, Quasi Permanent, Tone on Tone and in some cases Semi Permanent.
The third group are often coloured mousse or coloured setting products, and crazy colours fall into this category.
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