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WorksheetsMilady Chemical Texture Ch 12,20
Total questions: 32
Worksheet time: 2hrs 28mins
The natural ph of hair is between
4.0 and 5.0
4.5 and 5.5
6.0 and 7.0
7.0 and 8.0
The technique of wrapping the hair at an angle of 90 degrees or perpendicular to its base section is
half off-base placement
on-base placement
off-base placement
full-base placement
Permanent wave solution should be rinsed from the hair for at least
2 minutes
10 minutes
15 minutes
5 minutes
Polypeptide chains are long chains of amino acids joined together by________
hydroxide bonds
amino acids
peptide bonds
peptide adhesive
What type of bond forms when the sulfur atoms in two adjacent protein chains are joined together?
Sodium
Calcium
Hydrogen
Disulfide
The action of alkaline permanent waving lotion is to soften and________.
discolor the hair
shrink the hair
expand the hair
condition the hair
_________hair with a damaged cuticle layer is easily penetrated and could be further damaged by a highly alkaline permanent waving solution.
Porous
Medium
Nonporous
Coarse
If too many________bonds are broken in the perming process, the hair will be too weak to hold a firm curl.
disulfide
hydrogen
salt
polypeptide
A properly processed permanent wave should break and rebuild approximately_________percent of the hair's disulfide bonds.
25
50
75
100
End papers, or end wraps, are thin, absorbent papers used to________of the hair when wrapping and winding hair on the perm rods.
decrease the moisture
control the ends
control the elasticity
decrease the elasticity
When one end paper is folded in half over the hair ends like an envelope, it is called the_________
double flat wrap
bookend wrap
single flat wrap
top-hand wrap
A method of wrapping a permanent wave that is suitable for very long hair is the__________
croquignole wrap
double-rod wrap
curvature wrap
bricklay wrap
