Shampoo and conditioner Flashcards
The pH scale
The pH scale ranges from 0 to 14 0-6.9 = Acid 7 = Neutral 7.1-14 = Alkaline Hair and skin has a pH of 4.5-5.5
What pH scale is neutral?
7
What pH scale is a acid?
0-6.9
What pH scale is Alkaline?
7.1-14
What pH are hair and skin?
4.5-5.5
What effect does Acid have on the hair?
Acid solutions close the cuticle
What effect do Alkaline solutions have on the hair
Alkaline solutions open the cuticle
What does shampoo contain?
The shampoo contains an ingredient known as a surfactant (detergent) or cleansing agent
The surfactant (detergent) molecule has two parts:
hydrophilic –> Head
hydrophobic –> Tail
What does Hydrophilic mean?
Head that attracts the water
What does Hydrophobic mean?
Tail that attracts oil
How shampoo works?
The surfactant (detergent) works as an emulsifier allowing the oil and water to mix. It also breaks down the surface tension of water, which helps remove the oil/dirt from the hair.
Shampooing products
There are many varieties of shampoo available. It is important to use the correct shampoo to get the best result for your individual clients.
Varieties may include:
- Normal hair
- Dry/damaged hair
- Acid balanced
- Oily hair and scalp
- Clarifying/pre-treatment
- Anti-dandruff
- Conditioning
- Colour shampoo
- Thinning hair
- Powder dry shampoo
What is Surface conditioners?
Surface Conditioners
Coat the hair shaft and restore moisture
Generally left on the hair for 1-2 minutes
Rinsed off
What is Volumising conditioners?
Volumising Conditioners Create volume in fine, limp hair; is a form of surface conditioner Generally left on the hair for 1-2 minutes Rinsed off
What is penetrating conditioners?
Contain moisturisers and may contain proteins; suitable for dry, brittle, mechanically or chemically damaged hair These conditioners help repair damage by working in the cortex and on the cuticle Follow manufacturer's instructions for the length of time to leave on the hair after shampooing Rinse well