1. Unit 06
Perms & colours

2. Contents Temporary colours Semi-permanent colours Quasi colours
Bleach
Acid perm
Alkaline perm
Bibliography

3. Temporary colours The Positives:
There normally last up to 1 wash but if you have permed hair it could last longer.
Can't damage your hair
They are very cheap.
Great to pick up or lift your normal colour
The Negatives:
Temporary colours are a Wash-in/Wash-out products and are used for temporary looks or for home "maintenance" on permanent or semi-permanent colour in the form of a shampoo or conditioner with colour added. They can also be part of a styling product like old fashioned setting lotion with a bluish tint.
Colour change is very subtle
Not effective on dark hair
They won't cover grey hair but will disguise it

4. Semi-permanent colours
The Positives:
The two names are often used to describe the same type of colour although a "demi" lasts longer than a "semi". They are designed to fade gradually. Depending on the exact manufacturers range, they last between 6 and 8 weeks, some will last even longer. They are applied to all of your hair and will change the reflect (copper, red, chocolate etc.) or darken it. In-salon application would take less than an hour then add you cut and blow-dry time.
Semi/Demi-permanent colours are generally a cheaper service than a permanent colour.
Can be used in conjunction with a permanent colour, by your hairdresser, to keep the ends of your hair healthy and looking freshly coloured.
The Negatives:
Will not lighten your hair. Although on rare occasions, if you have naturally very fine hair some lightening may occur.
Your own colour will effect the results possible

5. Quasi colours
Quasi –colours contains ethanolamine and 3% peroxide , which slightly open the cuticle . This means that the colour can last up to 20 washes if not a few weeks for it to all come out and will softly fade as you shampoo , causing no re-growth problem .
Good Points: Hair feels better after colouring, beautiful shade range, easy to apply, no commitment, smells good, great for men and women who don't have hair colour.
Bad Points: Fades, sometimes deposits darker, can only deposit not lighten, the shades offered in koleston perfect are not offered in colour touch.

6. Permanent colours
Colour is applied directly onto your scalp to all of your hair. In salon time about 1 hour then add the cut or blow-dry time. The same colours can be used to create, or in combination with highlights or lowlights to give texture to your hair.
The Positives
Will give a strong, solid effect of colour in many different shades .
Can make your hair lighter than it is naturally with out using bleach therefore gentler on the condition.
The Negatives:
Can look a little "wig-like" on people with very thick dense hair
You will need to visit the salon for your roots to be "touched up" every 5 to 6 weeks.

7. Bleach
Using bleach for lightening hair is more risky than most hair colouring processes. But with that risk comes great reward.
Bleaching hair effectively strips what appears to be our "natural" hair colour, exposing the underlying pigment lurking beneath the surface. Depending on how dark your hair is naturally, your underlying pigment . Also bleach your hair can last up to 5 to 6 weeks .
The Positives
You can have a really nice colour to your hair .
The Negatives:
You can get really mad snapped hair and some times it does not look nice .

8. Acid , perms
An acid perm is a type of hair permanent that uses acid. Acid is a liquid that is quite corrosive, and has a pH that is lower than pH 7. Acid perms are the opposite of alkaline perms. Acid perms have a pH that ranges from 6.5 to Permanents create a permanent curl or wave in the hair. If a permanent takes well, the hair will stay curly or wavy until it grows out. An acid perm creates a softer curl than an alkaline perm. If you are considering a permanent treatment for your hair, it is a good idea to talk to your hair care professional about which type of permanent, alkaline or acid, would work best with your hair. Make sure you ask about what could go wrong, and what damage the permanent could possibly do to your hair. With that information, you can make an informed decision about getting an acid perm or an alkaline perm.

9. Alkaline perms
An Alkaline perm produces permanent hair waves ( tight curls ) , it also has a pH from 7.5 to Another name for a Alkaline perm is a cold wave .
Lotion s – for strong natural resistant hair .
Lotion 1 – for normal hair
Lotion 2 – for normal hair , easy to wave , or coloured hair in good condition
Lotion 3 – for coloured hair and mildly pre-lightened hair .
They usually contain ammonium thioglycolate.

10. Bibliography I got my information from:
Perming and straightening a salon handbook by Lesley and Philip Hatton