Skin
Chemistry
Permanent Waving & Relaxing
Hair coloring
Nails
100

The layer located below the dermis consisting of adipose tissue and fats:




Subcutaneous

100

The chemical combination of two or more atoms of different elements produces a(n):




compound

100

In permanent waving, panels of hair are divided into smaller subsections called;




base sections



100

The lightness or darkness of a hair color is its___________________.




level



100

Essentially this is the root of the nail, if damaged nail may not grow back:




matrix



200

Also known as the basal layer of epidermis, cell growth through mitosis occurs here:




germinativum



200

A stable physical mixture of two or more substances is a(n):




solution

200

The two methods of wrapping the hair around a perm rod are:




croquignole and spiral



200

What level of developer is recommended for gray coverage?




20

200

What is the best way to file nails?




corner to center



300

The layer that contain cell granules that replace dead cells:




granulosum



300

Substances used to neutralize acids or raise the pH of many hair products are:




alkanolamines



300

Waves that are activated by an outside heat source are:




endothermic



300

Peroxide, _________, and developer are all the same thing.




H2O2

300

The cuticle under the free edge is called:




hyponychium



400

The layer on the palms of hands and soles of feet only:




lucidum

400

Substances that allow oil and water to mix, or emulsify, are:




surfactants



400

The wrapping technique that provides the most control over hair ends is the:




double flat wrap



400

The coloring products that are regarded as the best for covering gray hair are:




permanent haircolors



400

Which of the following should you not work on in the salon?




tinea manis



500

Layer that has keratin protein that continually sheds; toughest layer of the epidermis:




corneum



500

Sodium hydrochloride is the chemical name for:




bleach



500

Hydroxide relaxers that do not require the application of a protective base are:




no-base relaxers



500

Examples of single-process permanent coloring applications are virgin color applications and:




color retouch applications



500

When buffing it is important to hold down the __________________.




side walls



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