Relaxers

Question 1

Which straightener combines the use of a thio relaxer with flat ironing?

Answer 1

Japanese thermal straightening

Question 2

Keratin straightening treatments contain silicone polymers and:

Answer 2

formalin

Question 3

The two most common types of hair relaxers:

Answer 3

Thio relaxers and hydroxide relaxers

Question 4

This relaxers have a pH above ____ .

Answer 4

10

Question 5

The ____________ used with this relaxers is an oxidizing agent, usually hydrogen peroxide.

Answer 5

Neutralizer

Question 6

The ___________ _______ is the active ingredient in all hydroxide relaxers.

Answer 6

Hydroxide ion

Question 7

True or false:

All hydroxide relaxers are very strong alkalis that can swell the hair up to twice its normal diameter.

Answer 7

True

Question 8

Hydroxide relaxers remove one atom of suffer from a disulfide bond, converting it into a lanthionine bond by a process called:

Answer 8

Lanthioniazation

Question 9

True or false:

The neutralization of hydroxide relaxers involves oxidation.

Answer 9

True

Question 10

____________ ___________ __________ are ionic compounds formed by a metal - sodium, potassium, or lithium - which is combined with oxygen and hydrogen.

Answer 10

Metal hydroxide relaxers

Question 11

Sodium hydroxide relaxers are commonly called:

Answer 11

Lye relaxers

Question 12

What two relaxers are often advertised and sold as “no mix-no lye” relaxers?

Answer 12

Lithium hydroxide and potassium hydroxide

Question 13

_______________ __________ relaxers are usually advertised and sold as “no-lye” relaxers.

Answer 13

Guanidine hydroxide

Question 14

True or false:
Guanidine hydroxide relaxers straighten the hair completely, with much less scalp irritation than other hydroxide relaxers.

Answer 14

True

Question 15

Sulfites and _________ are sometimes used as low-pH hair relaxers.

Answer 15

Bisulfites

Question 16

Base cream will do what if it touches the hair during the relaxing process?

Answer 16

Will slow down the process

Question 17

_________ _________ require the application of base cream to the entire scalp prior to the application of the relaxer.

Answer 17

Base relaxers

Question 18

Used to deactivate the alkaline residues left in the hair by a hydroxide relaxer and lower the pH of the hair and scalp:

Answer 18

Hydroxide neutralization