The average adult skin weighs ______ pounds.

The outermost and thinnest layer of the sskin is the __________.

The epidermis has _____ layers.

What is the fiberous protein that is the principal cpmponent of hair and nails?

The skin layer in which the shedding of skin cells first begins is the stratum ________.

What is the name of the special cell in the stratum germinativum, respnsible for producing dark skin pigment?

The highly sensitive dermis layer is about ______ times thicker than the epidermis.

The muscle that causes goose bumps when a person is frightened or cold is the __________.

Fatty tissue found below the dermis is called ________.

Which type of nerve fibers carry impulses from the brain to the muscles?

Which body part sends messages to the brain?

The tiny grains of pigment deposited in cells that provide skin with its color are _________.

The melanin produced by the body that is red to yellow in color is ________.

________ helps protect sensitive cells from UV rays.

Which of the following are relaxers often marketed and sold as no-mix/no-lye relaxers?

During a relaxer strand test, hair that ie pressed to the scalp and continues to curl is __________.

What is a hydroxide relaxer that does not require the application of a protective base?

________ is the measurement of the thickness or thinness of a liquid that affecta how the fluid flows.

What is the active ingredient in all hydroxide relaxers?

Sodium hydroxide relaxers are commonly called _________.

Chemical services should not be performed if the scalp analysis shows any signs of ________.

Hair that has been treated with a hydroxide relaxer is unfit for ________ and will not hold a curl.

Caution should be used with on-base rod placement to avoid additional _________.

_______ minimizes stress and tension on the hair.

The two methods of wrapping the hair round a perm rod are _________.

What perm rods are equal in diameter along the entire length or curling area?

The ______ uses one end paper folded in half over the hair ends like an envelope.

The process that stops the action of permanent wave solution and rebuilds the hair into its new form is called ________.

What is the most common neutralizer?

What is the most common type of perm rod?

How does the skin differ from the other skin?

________ helps protect sensitive cells from UV rays.

What is a fiberougives skin form and strength?s protein that

The fiberous protein that gives skin its flexibility and helps skin regain its shape after being expanded is _______.

Oil glands that are connected to hair follicles are also called _________.

When sebum hardens and the sebaceous duct becomes clogged, the pore impaction that is formed is a _________.

What is a small, round elevation on the skin that contains no fluid but may develpo pus?

Water is the number one nutrient of the body and composes what percentage of the body's weight?

Vitamin _______ may help improve the skin's elasticity and thickness.

Vitamin ______ promotes the production of collagen.

Which vitamin enables the body to properly absorb and use calcium?

The ______ measures the acidity and alkalinity of a substance by measuring the quanity of hydrogen ions it contains.

The term ph is an abbreviation used for potential ______, and the symbol represents the quanity of ______.

Which layer of hair is the innermost layer of the hair, and often called the pith or core of the hair?

What tough exterior layer of the hair has the purpose of surrounding the inner layer and protecting the hair from damage?

Without a thorough understanding of _________, cosmetologists could damage hair, cause hair loss, and harm their clients and themselves.

Alkaline waves, also known as ______, were developed in 1941.

Exothermic waves create a chemical reaction that heats the waving solution and speeds up ________.

It is important for stylists to remember that ammonia-free does not necessarily mean ________.