Ch. 16 Hair Lightening

Toners remove unwanted undertones caused by pre-lightening

To lighten hair to four or more levels, it must be __________.

Lighteners that have a thicker consistency and are stronger products are clay lighteners.

Balayage and ombre are both considered:

When decolorizing a client’s hair, the goal is to create the correct degree of:

What is another name for persulfate salts?

A lightener's strength and processing time should be decreased if the strand test was too light.

What is the most critical part of a color service?

Which technique results in strands of hair that are colored darker than the natural color?

Overlapping lightener on previously lightened hair can cause a visible line of __________ and potentially breakage.

How many levels of lift can healthy hair be lifted safely in a single treatment?

What do persulfate salts do?

Lighteners work by:

Coarse hair with low porosity will process the slowest.

On-scalp lighteners are considered more gentle than off-scalp lighteners. What two forms are considered on-scalp?

As soon as hydrogen peroxide is mixed into a lightener formula, it begins to:

Clay lighteners are used during balayage applications because they do not expand and swell.

A client's hair that took the maximum amount of processing time means their hair was fine, straight, and porous.

Pre-lightened hair must be treated with care as it may become dry and fragile.

The process in which the hair is pre-lightened and then toned is known as double-process application.

What is the chemical compound that disperses and decolorizes natural pigment?

As part of their composition, all permanent haircolor products and lighteners contain both a developer and _____.

Toners can only be demi-permanent.

Hair should never be lifted with lightener past:

Clay lighteners are used for free-hand painting techniques because they form a(n):