Perming

Question 1

3 layers of hair?

Answer 1

• Cuticle
• Cortex
• Medulla

Question 2

Natural PH of hair?

Answer 2

Between 4.5 and 5.5

Question 3

2 factors that determine curl size?

Answer 3

• Shape and type of rod

* Wrapping method

Question 4

5 basic building blocks of hair?

Answer 4

• Amino
• Peptide
• Polypeptide chains
• Keratin proteins
• Side bonds

Question 5

PH scale measures?

Answer 5

The acidity and alkalinity of a substance by measuring the quantity of hydrogen ions it contains

Question 6

What is the strongest of the 3 side bonds?

Answer 6

Disulfide

Question 7

What is a reduction reaction?

Answer 7

Reduction reaction is due to the addition of hydrogen

Question 8

Another name for alkaline waves?

Answer 8

Cold waves

Question 9

3 components of all perming solutions?

Answer 9

• Permanent waving solution
• Activator
• Neutralizer

Question 10

Amino acids

Answer 10

Carbon, oxygen, hydrogen, nitrogen and sulfur

Question 11

Peptide bonds

Answer 11

End bonds

Question 12

Polypeptide bonds

Answer 12

Long chains

Question 13

Keratin proteins

Answer 13

Long coiled

Question 14

Side bonds

Answer 14

Cross-linked

Question 15

Disulfide bonds

Answer 15

Chemical side bonds

Question 16

Salt bonds

Answer 16

Negative and positive electrical charges

Question 17

Hydrogen bonds

Answer 17

Opposite electrical charges

Question 18

What does PH mean?

Answer 18

Potential hydrogen

Question 19

Most of the acid waves found in today’s salons have a PH between…?

Answer 19

7.8 and 8.2