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WorksheetsThe changing structure of the hair from wet to dry
Total questions: 18
Worksheet time: 10mins
Name the 3 hair layers of the basic hair structure
Cuticle
Cortex
Medulla
Canvas
Bortex
Medulla
Sorbitle
Cortex
Medulla
What is the main bulk of the hair called?
Cuticle
Cortex
Polypeptide chains
What are the weak bonds of the hair called?
Salt
Hyrdogen
Disiphuld
hygroscopoic
Salt
Salt
Pepper
Ion
What bonds are affected during the styling process?
Salt
Hydrogen
Disulphide
Salt
Polypepride
Hygrogen
What does hygroscopic mean?
The hair has the ability to absorb moisture from the atmosphere
The hair cannot absorb moisture and can become dehydrated
Under a microscope water will be evident
What does alpha Keratin mean
The hairs natural state, the salt and hydrogen bonds are broken, the hair is wet
The hairs unnatural state where the salt and hydrogen bonds are connected
The hair unnatural state, the bonds are broken
What does Beta keratin mean?
The hairs unnatural state, the bonds are reconnected, the hair is in a new unnatural molded style
The style has been made solid, the bonds are broken in this state
The bonds are half way connected, the style is a bit limp
Is the hair straight or curly in Alpha keratin
Depends on the classification of the hair
Straight
Curly
Wavy
Which is correct description of what happens during the styling process?
When wet the hydrogen/salt bonds are broken, the hair is in its natural state, as the hair is dried the bonds reconnect, this will hold the style in place until it gets wet or enters a moist atmosphere.
When wet the bonds are connected, as the hair is styled the bonds stay the same, the style will be firm
When wet the bonds are broken, this allows us to style the hair into a curly shape however the style will drop quickly
How much can the hair stretch when wet?
Up to 50%
Up to 20%
Up to 30%
How much can hair stretch when dry?
10%
20%
0%
Can heat break the bonds in dry hair?
It may break some however it will soften to create a soft style
no
Yes it can to create a firm style
When styling the hair, when a section has dried before you have had a chance to style, what do I have to do to create more stretch in the hair to form a style?
Damp down
Shampoo again
Can style when dry and reshape
Are the salt /hydrogen bonds strong or weak?
Strong
Weak
What is the hard protein called that the hair is made of?
Kersin
Amino -acid
Keratin
How is the main structure of the hair/cortex formed
Amino acids and peptide bonds join to make polypeptide chains, this makes the hair elastic and is found in the cortex
polypeptide chains join peptide bonds, this makes the hair structure stiff
acids and polypeptide bonds make a cement to join the structure together, found in the cortex
What property does the hair have?
Elastic properties
Protein property
H2O propertis
What happens to the style when we go into a damp atmosphere?
Makes no difference
The style will go frizzy
The style will go straight
The style will fall, go back to its natural shape of Alpha keratin, the hydrogen bonds will break
