Basic of hair chemicals

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Sodium hydroxide relaxers are also known as:

lye relaxers

What does the porosity of the hair affect when working with a chemical relaxer?

processing time

What would be the strength used on curly-to-medium textured hair with an ammonium thioglycolate relaxer?

regular

What should be applied to the hair to replace natural moisture and oils lost during a chemical process?

conditioning treatment

Which of the following is NOT a criterion to consider when creating a new curl pattern using a chemical relaxer?

determine the client's natural hair color

What is the shape of a tightly curled hair follicle?

ellipital

The abiilty of the hair to absorb liquids or chemicals, and is one of the determining factors in selecting the appropriate chemical relaxer strength and processing time is known as?

porosity

What is the optimum percent of natural curl pattern to remove when relaxing?

85%

How far from the scalp should a virgin relaxer be applied?

1/4'' to 1/2''

A technique used to loosen or relax overly curly hair patterns by approximately 50% of their natural shape is called:

curl diffusion

What does rebonding refer to in a reformation curl service?

neutralizing

Boosters are used during a curl reformation process to begin forming the new curl pattern. What is the main ingredient found in a booster?

a mild form of ammonium thioglycolate

Which of the following conditions determines the processing time and proper relaxer strength to use?

the hair's texture, elasticity and porosity

What products should be applied to protect previously treated hair from the chemcial product when performing a relaxer retouch service?

protective cream

Curl diffusion, also caleed chemical-blowout, is a technique used:

to reduce the curl in overly curly hair

The function of a curl activator is to provide moisture and:

helps retain shape of the new curl configuration

The physical phase of a chemical relaxing treatment includes smoothing the hair, rinsing the product from the hair and applying:

neutralizer or neutralizing shampoo

Before styling the hair following a relaxer process, you should:

condition the hair

When does the chemical action of a relaxer begin?

as soon as the relaxer is applied to the hair

What will be restored during the neutralization process?

broken disulfide bonds

One of the causes for breakage in the nape after a relaxer service is:

improper rinsing

Rearrangers are used during a curl reformation process to reduce the natural curl. What is the main ingredient found in rearrangers?

ammonium thioglycolate

Sodium hydroxide relaxers have a pH of:

10.5-14

Ammonium thioglycolate relaxers are referred to as:

thio relaxers

Which relaxer strength would be used on healthy, color-treated, fine-textured or porous hair?

a. mild

What is another name for neutralizing shampoo?

Stabilizer

What is NOT a step involved in curl reforming?

restraightening

The most common ingredient found in products that completely straighten the hair is:

sodium hydroxide

What product should NOT be applied to hair that has been previously permed with ammonium thioglycolate?

sodium hydroxide relaxer

A pull test is performed to check for which of the follwoing conditions

elasticity

What is the name for a chemical service designed to change overly curly hair to curly or wavy hair?

curl reforming(soft curls)

Virgin thio relaxers may not applied after ....

a vigorous shampoo

During a curl reforming service, what size parting should be used?

thinner than normal

When performing a virgin relaxer, it is necessary to apply the product to the base last since the body heat near the scalp will cause the hair

process more quickly

Which of the following tests should be performed during a relaxer technique to determine if the proper amount of relaxation has occured?

comb test

Which of the following conditions would prevent you from performing a chemcial relaxing service?

scalp abrasions

Sodium hydroxide relaxers are generally used on which type of hair?

overly curly

What method of hairdressing did Madam C.J. Walker invent?>

hair pressing

Ammonium thioglycolate is a reducing agent which causes the hair to:

soften and swell

When was the curl reforming process introduced?

1970's

A sodium hydroxide relaxer service should not be performed on:

hair that has been pre-lightened(bleached)

What should you do before applying any chemicals to the client's hair?

complete a client consultation

Super, strength relaxer is used for which of the following hair conditions?

tightly curled, coarse-textured hair

What is used to smooth the sections of hair during the processing of a relaxer?

the back of a comb

Which of the following is NOT a step taken when performing a virgin sodium hydroxide relaxer service?

pre shampoo the client's hair

Which type of hair color can be applied after a sodium hydroxide relaxer service?

semi-permanent hair color

The processing time generally required for a regular strength thio relaxer is:

up to 20 minutes

When performing a curl reformation service, the rod diameter chosen should be at least how many times larger than the diameter of the natural curl pattern?

two

Once the hair is completely wrapped and saturated in a curl reforming service, apply additional:

booster

What do sodium hydroxide relaxers contain to protect the hair and scalp from irritation?

oil and conditioning agents

What is used to protect the scalp and hairline from caustic chemicals?

base cream

What name was used for sodium relaxers prior to the 1960's?

base relaxers

An acid-balanced neutralizing shampoo or stabilizer is used after the hair is free of chemicals to:

reharden the hair

A good predictor of how your client's hair will react to the chemical rearranger, booster, and neutralizer is a:

preliminary strand test

During a chemical relaxer procedure, if the hair is tested with the back of the comob and there is a minimal amount of indentation, or if the curl pattern reverts or beads, what step may be required?

additoinal smoothing

Why should brushing the hair before any chemical service be avoided?

prevents scalp irritations

If curl reforming is desired, cut off all hair previously treated with which of the following?

sodium hydroxide

Do not perform a curl reformation service on hair that has been relaxed with a sodium hydroxide or no-lye relaxer.

true

The chemical phase of relaxing consists of smoothing/combing the hair and timing and testing the process.

false

Sodium hydroxide relaxers have a pH of 10.5-14.

true

The two major types of relaxer chemicals are sodium hydroxide and ammonium thioglycolate

true

Never apply a thio relaxer over hair that has been relaxed with a sodium hydroxide relaxer or vice versa, since these two chemicals are not compatible and severe damage or breakage can occur.

true

Spreading the chemical relaxer through the hair with the back of a comb or your fingers as it processes is called smoothing.

true

When performing a curl reformation service, the rod diameter chosen is generally at least two times larger than the diameter of the natural curl pattern.

true

Density refers to the number of hair follicles per square inch.

true

Clients with wavy hair have an oval-shaped hair follicle.

true

Elasticity refers to the ability of the hair to absorb moisture, liquids or chemicals.

false

Do not apply sodium hydroxide relaxer to hair that has been colored with permanent hair color or to lightened hair.

true

During a relaxer application, it is important to use an acid-balanced neutralizing shampoo or stabilizer to reharden the hair into its new, straight shape.

true

Curl reformating is a chemical service designed to change overly curly hair to curly or wavy hair.

true

The type of relaxer service performed only in selected areas of the head is known as a retouch relaxer service

false

During a curl reformation procedure, in order to reduce the hair's natural curl, a perm solution is applied to the hair.

false

Curl diffusion is a technique used to loosen or relax overly curly hair patterns by approximately 50% of their natural shape.

true

A protective base cream protects the scalp and ______________________ from caustic chemicals.

hairline

Relaxers that have a pH between 10.5 to 14 are ________ _____________________ relaxers.

sodium hydroxide

The hair's ability to absorb moisture, liquids or chemicals is called _____________.

porosity

Curl reforming is a chemical service designed to change _____________ __________ hair to curly or wavy hair.

overly curly

When the hair is able to return to its orignial state after it is gently strectched indicates the hair's level of ___________________.

elasticity

The techniques used to loosen or relax tightly curled hair patterns by approximately 50% of the natural shape is the ________ _________service.

curl diffusion

The most common ingredient found in products that completely relax the hair is___________ _________.

sodium hydroxide

The main ingredient found in rearrangers is

ammonium thioglycolate

Relaxers that are generally used to relax overly curly hair are know as ______________relaxers.

Sodium hydroxide

When the relaxer is applied to the new growth only to match the prefioulsy relaxed hair, it is referred to as a(n) ________________relaxer service.

Touch up

The most common ingredient found in products that completely straighten the hair is

Sodium hydroxide

When performing a ____________procedure, the rod diameter should be at least two time larger than the diameter of the narual curl pattern

curl reforming

Smoothing/Combing, timing and testing the hair are all part of the _________phase of relaxing.

physical

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