Hair structure

Question 1

Colorless, translucent casing over the hair shaft :

Answer 1

Cuticle

Question 2

Because there are more yellow and red pigments then black and brown, they are more difficult to remove from hair shaft.

Answer 2

Pheomelanin pigment

Question 3

Mid length hair absorbs color :: quickly

Answer 3

Less

Question 4

Diffused melanin

Answer 4

Pheomelanin

Question 5

The part of the hair lying below the surface of the outer-layer of skin (i.e. the epidermis layer) :

Answer 5

Hair root

Question 6

Hair color must penetrate the :: before it reaches the : :

Answer 6

Cuticle : : Cortex

Question 7

Tubular core found in center of the hair shaft :

Answer 7

Medulla

Question 8

When both types of melanin are present in one melanin granule :

Answer 8

Mixed melanin

Question 9

Natural black to red pigment; sometimes known as “granular”

Answer 9

Eumelanin pigment

Question 10

Because of their larger size, fewer granules are needed to color hair shaft.

Answer 10

Eumelanin pigment

Question 11

Natural pigment found in hair and skin :

Answer 11

Melanin

Question 12

The visible part of the hair that protrudes through the skin. It consists of layers of of fused, dead, keratinized cells :

Answer 12

Hair shaft

Question 13

Because there are fewer pigment granules, this pigment is more easily removed from the hair shaft:

Answer 13

Eumelanin pigment

Question 14

Lifting color occurres 5-15x faster in the scalp area, partly because of : : and : :

Answer 14

Heat and texture

Question 15

Contains the great bulk of melanin found lodged between its fibers :

Answer 15

Cortex

Question 16

The absence of pigment in the hair :

Answer 16

Canities

Question 17

More porous portions of the hair, such as the : :, tend to absorb color more quickly.

Answer 17

Ends

Question 18

3 types of melanin :

Answer 18

Eumelanin, pheomelanin and mixed melanin

Question 19

Natural red to pale yellow; sometimes known as “diffused”

Answer 19

Pheomelanin pigment

Question 20

Granular melanin :

Answer 20

Eumelanin

Question 21

Hair at the scalp; softer in texture than the more keratinized hair in mid-length and ends.

Answer 21

New growth

Question 22

Overlapping scales on the hair shaft, containing no natural hair color :

Answer 22

Cuticle

Question 23

Color is formed in the : : by 3 types of : :

Answer 23

Cortex :: Melanocytes

Question 24

A sub-category of pheomelanin pigment found in natural sandy-red hair. They are responsible for natural strawberry-blonde shades.

Answer 24

Trichochromes

Question 25

The hair structure is made up of :

Answer 25

The cuticle, cortex and the medulla