Hair Care Product Knowledge, Hair Theory...

Human hair, on the average, grows about:

What product adheres to the hair shaft, even after ordinary rinsing, leaving hair easier to comb and handle?

The ability of hair to absorb moisture, liquids or chemicals refers to the hair's:

pH balanced refers to a product that ranges from a pH of:

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

An acid rinse (pH of 2-3) designed to dissolve soap scum, untangle and separate hair and add sheen is a

The most accurate method of measuring pH is with:

Hair color is influenced by the amount, size and distribution of:

Hair consists of 97%:

Strands of hair that have been fused together to create a segment of hair with a ropelike appearance is called:

Rinses, which affect mostly the surface of the hair:

The three major layers of the hair are the medulla, cortex and

Cilia is the technical term for:

Bundles called melanosomes are formed by:

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

Hair color is darker during which stage of growth?

Melanin is found mainly in which part of the hair?

An example of an oil-in-water emulsion is:

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

Hair that has been pulled out from the roots can grow back under which of the following circumstances?

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

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

Mixtures of two or more kinds of molecules, having a tendency to separate when left standing, are known as:

Eumelanin is the type of melanin that produces:

Shampoo containing additives to improve tensile strength, elasticity and porosity of the hair is:

The scientific study of matter and the physical and chemical changes of matter is known as:

Atoms have three main parts: protons, neutrons and:

What is used for hair that has been damaged by strong alkaline shampoos, chemicals or heat styling?

Why is chlorine added to the water purification process?

People with lighter colored hair have melanin in the:

Which bonds found in the hair can be easily broken by heat or water?

The hair growth stage when all cell division stops is the:

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

The primary ingredient of most shampoos is:

A form of silicone used in conditioners that give softness to the feel of hair without weighting it down is known as:

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

A mixture of secretions from the sebaceous glands and perspiration from the sweat glands is called the:

What is the pH range of hair, skin and nails?

The atomic number of a particular element indicates:

Layer of hair consisting of unique protein structures give the hair most of its pigment and strength (elasticity) is:

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

What is formed when two or more immiscible substances are united with the help of a binder?

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

Texture patterns are determined by their characteristics which are texture speed, texture character and:

Gray hair is caused by:

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

Mixtures of fats & oils converted to fatty acids by heat & then purified, fall under which cosmetic classifications?

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

Basic substances that cannot be broken down into simpler substances are called:

Product label lists the following ingredients: water,cetyl alcohol, tocopherol & panthenol,"which is the largest amount?

A mixture of two or more kinds of molecules, evenly dispersed, would be a(n):

What are the 4 general texture patterns?

Mitosis takes place in the area of the hair bulb called the:

What is the natural flow or wave pattern of hair determined by?

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

A conditioner ingredient that gives dry hair a smooth feel and makes hair easier to comb is:

Humectants are what type of ingredients?

If water contains certain salts of calcium, magnesium & other metals that stop shampoo from lathering, it's classified:

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

Active ingredients in a rinse; benzalkonium chloride, lauryl isoquinolinium bromide and polysorbate leave the hair:

What is the total lack of pigmentation in the hair and skin called?

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

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