Layers of the Skin
Layers of the Hair
Different types of hair
Stages of Hair Growth
Biology of the Skin
100

What are the 3 main layers of the skin?

1. Epidermis 

2. Dermis 

3. Subcutaneous (Hypodermis)


100

Hair is also referred to as the ____________ unit. 

Pilosebaceous 

100

Baby hair 

Lanugo

100

What is the most important skin characteristic?

Moisture 
200

What is lowest layer of the epidermis?

Stratum Germinativum (Stratum Basale)

200

What are 3 key factors that influence hair growth?

- hormones 

- genetics 

- age 

200

coarser, pigmented hair that's found on scalp, legs, & arms

Terminal 

200

There can be a danger on an insensitive area of the skin if it's ______________

Overtreated 

300

In what layer of the skin is melanin produced? 

Stratum Germinativum (Stratum Germinativum)

300

Peach fuzz; shouldn't wax/tweeze

Vellus

300

What stage of hair growth is ideal for an electrologist? 

Anagen 

300
The 1st objective is to determine the ___________

Hair depth

400

Which is the thickest layer of the dermis? What appendages are included in this layer?

Reticular Layer. Appendages: 

- blood vessels 

- lymph vessels 

- sudoriferous glands

- nerve endings

- hair follicles 

- arrector pili muscles 

- fat cells

- sebaceous glands


400

What is the bulb?

The area where the hair grows which contains the dividing cells of the hair matrix that produce the hair & the protective external/internal root sheath. 

400

What type/color of hair can NOT be treated with laser but CAN be treated with electrolysis?

Light (white, grey, blond, red)

500

In which type of skin is the Stratum Lucidum present? 

Thick skin only (Palms of hands & soles of feet)