Cosmo Hair Science 1

Wet hair is able to be stretched to what percent of its length?

If the scalp appears appears abnormal at all, a client should see:

A daily grooming product used to hydrate curls throughout the day without a heavy buildup is a/an:

Hair that is 90% cortex & 10% cuticle when compared to hair that is 40% cuticle would be considered to be more:

The loss of pigment in the hair as a person ages is called:

If the diameter of a female client's ponytail has become smaller over time, it could indicate:

The chemical symbol for carbon is:

When a solution has an equal number of hydrogen and hydroxide ions, the solution is considered:

Atoms have three main parts: protons, neutrals and:

In what pH range is skin and hair?

The diameter of a hair fiber will be the same as:

Catagen, a brief transitional stage, last for what amount of time?

What determines the shape of the hair shaft as it grows from the follicle?

A chronic scalp condition with excessive flaking, which accumulates on the scalp or falls to the shoulders (dandruff):

What is the portion of hair that extends above the skin's surface?

In order to maintain moisture, hair should be shampooed no more than how many times a week?

Products claiming hair regrowth or hair loss prevention cannot be marked without which agency's review and approval?

The central core of the hair shaft sometimes missing in fine or very fine hair is the:

The process of hair turning gray is most commonly caused by:

Substances of acidic or alkaline nature dissolve in water and/or contain:

Strands of hair twisted to form a coil segment are called:

Traction alopecia can be caused by:

The technical name for the hair of the eyebrows is known as:

Excessive matting of the hair is referred to as:

Matter with definite weight and volume but no definite shape is called:

The technical term for the study of hair is called:

What is the side bond that is of the greatest concern to the salon professional?

What may need to be done to hair in a dry climate to reduce static and soften the hair fiber?

Short, fine, non-pigmented hair found more abundantly on women is known as:

Dry flakes attached to the scalp or the hair, which can appear translucent, are called:

Long, thick pigmented hair such as scalp and eyebrows hair is referred to as:

Carbon, nitrogen, oxygen and hydrogen form the basis of:

Atoms that are the same form a(n):

The amount of hair that should be parted and wrapped around a perm rod, roller or curling iron is influenced by:

Melanin is found mainly in which part of the hair?

A solution that has more positive hydrogen ions than negative hydroxide ions is:

Which of the following items has/have defintie weight and volume but no definite shape?

The simplest atomic structure is:

People with lighter colored hair have melanin in the:

Non-medical options for hair loss include:

Eumelanin is the type of melanin that produces:

Which of the following stages is known as the active growing stage of hair?

What helps prevent the hair and skin from becoming too dry?

The lips, soles of the feet, palms of the hands and eyelids do not have:

The outer covering of the hair shaft made up of overlapping layers of transparent scales is called the:

What type of alopecia is caused primarily by excessive pulling force being applied to the hair?

Which bond is the backbone of all protein molecules?

Malassezia is a microscopic fungus that is the leading cause of:

Hair color is darker during which stage of growth?

Alkalis tend to taste:

Human hair, on the average, grows about:

All matter that is not alive and does not contain carbon (rocks,water,minerals) fall within the study of:

What color does red limtus paper turn when placed in an alkali?

What is the average amount of daily hair loss?

The atomic number of a particular element indicates:

Sudden hair loss in round or irregular patches without the display of an inflamed scalp is referred to as:

Protons have which type of electrical charge?

A red, circular patch of small blisters on the skin or scalp caused by a vegetable parasite is known as tinea or:

The two primary parts of hair are the hair fibers and the:

The term used to identify anything that occupies space is called:

The most common form of hair loss in both men and women is:

The number of active hair follicles per square inch on the scalp refers to:

On the pH scale, numbers less than 7 indicate a(n):

The hard, resistant layer of protein that protects the hair shaft is the:

The acid mantle maintains the natural pH of hair and skin and protects the:

When amino acids combine to form the protein of the hair:

An infestation of head lice on scalp is called:

Which hair color generally has the highest number of hairs per square inch on the head?

Hair grows form a tube-like "pocket" called a root sheath or a(n):

Amino acids that create proteins are linked together end to end by:

Short, fine, non pigmented hair is replaced with terminal hair around the time of:

Which large hair structure is located at the base of the hair follicle?

Which of the following types of hair loss refers to the loss of hair over the entire scalp and body?

The LOC method is a product-layering technique which consists of a liquid, oil and a/an:

The hair follicle that produces tightly curled hair is typically:

The cuticle layers protect which part of the hair strand?

Keratinization is a process whereby cells do all of the following EXCEPT:

In men, male pattern baldness takes the shape of:

Hair comprises two solids which are carbon and sulfur and three gases which are hydrogen, nitrogen and:

Tinea is the medical term for:

When looking through a microscope, which portion of the hair would display living cells?

Hair that has a combination of two or more different porosities is referred to as:

Which of the following terms is another name for cell division?

Oily flakes combined with sebum, which stick to the scalp in clusters, are known as:

An abnromal coverage of hair on areas of the body where normally only lanugo (baby fine hair), is a condition known as:

Which description refers to the ability of hair to stretch and return to its original shape without breaking?

Water molecules have two hydrogen and one:

Which of the following conditions is an example of chemical change?

What is formed when sebum produced by the oil glands mixes with the body's perspiration?

Matter with definte weight, volume and shape is known as:

The technical term for broken hair is:

Water freezing and becoming ice is an example of what type of change?