Unit 203 - WK 6

• Hairdressing
• Higher Education (non-degree)

Expectations- Classroom Rules

• No entering the classroom without a tutor 
• No food or drinks  when entering the classroom- Only water in a clear bottle
• Log onto a Chromebook
• Complete 'Do Now' task
•  Participate fully in your session
• No Hands up- Questions- No opt out 
• NO use of mobile phones- unless instructed to by tutor
• Toilet breaks not permitted in the first 30 minutes or the last 15 minutes of your session 
• Learning Review booklets/ Knowledge organisers 
• Remember to put Chromebooks at the end of session and remember to log out and put back on charge. 

Do Now Task 

Complete the Characteristics worksheet.

Ensure you use the key terms in your learning review book to check the correct spellings. 

 

Session objectives

By the end of the session you will be able to...

• Review and recall previous session- Complete Do now task for characteristics of hair to check knowledge and understanding- define the difference between characteristics and classifications
• Complete the collaborative task on Brisk to support knowledge of the functions of the skin
• To explore the different hair growth stages- independent task 
• Complete reflection task- Step 1- Review and Recall- Write down 5 key facts, that you have learned in today’s lesson. Step 2- Write a short summary using the key facts you recalled in step 1. Step 3 – Peer Share and Clarify (5 minutes) in pairs or small groups, read through each other’s summaries and discuss any differences. Step 4- Reflective Sentence Starters (2 minutes)"Today, I learned that…"
• "A key point I need to remember is…"
  
• "One question I still have is…"
  
• Remember to use your learning review book to record new key terms you have learnt in today's session. 

Describe the difference between 'Classification' and Characteristics'

Hair Classifications 

Type 1- Straight Hair

Type 2- Wavy Hair

Type 3- Curly Hair

Type 4- Very Curly Hair 

Hair classification

T1 - Straight

T2 - Wavy

T3 - Curly

T4 - Very curly

Hair Characteristics 

Hair Density 

Hair Texture 

Hair Growth Patterns 

Elasticity 

Porosity 

Hair Condition 

Complete the collaborative task on Brisk 

Step 1- In groups explore the different functions of the skin 

each group will have four functions to focus on and feedback to the rest of the group 

Step 2- Rotate around each group to discuss findings- identify any areas missing or you can add

Step 3- Each group to present their findings for their four skin functions to the rest of the group  

app.briskteaching.com/show 

Joining Code: B6LUNJ

6 main Functions of the skin

- Sensation

- Heat Regulation

- Absorption

- Protection

- Excretion

- Secretion

Layers of the skin

The Epidermis

• The outer layer of the skin
• It protects us from bacteria and temperature changes.
• It is waterproof
• This is the layer where the colour of your skin in determined
• The Epidermis has no blood supply
• It replaces itself every 28-30 days by shedding.
• Around 90% of your house dust is made up of the epidermis layer which you had shed.

The dermis

• Attaches the epidermis to the subcutaneous layer.
• It passes nutrients between the two layers
• It provides the skin with strength and elasticity
• It contains most of the living structure of the skin. 

The Subcutaneous layer

• Also known as the Hypodermis layer.
• Is the fatty layer attached to the dermis.
• Its function is to keep us warm and to provide nutrients via the blood supply.
• Nerves, sweat glands, sebaceous glands and hair all travel through the subcutaneous layer to the dermis.

Cross section of the skin

Cross section of the skin

Hair bulb - The bottom of the hair

Hair follicle - This is where the hair grows from. 

Hair root and shaft - The root is the hair below the skin. The hair which you can see is called the hair shaft.

SEBACEOUS GLANDS

Sebaceous glands produce the natural oil called sebum which protects and conditions the hair. The average hair follicle contains up to 3 glands. Overactive sebaceous glands, more than 3, can cause excessively oily hair.

SWEAT GLANDS

Sweat glands travel from the subcutaneous layer, through the dermis and up to the epidermis. They contain water which is released as perspiration through sweat pores to cool us down when we are hot.

NERVES

Nerves travel through the subcutaneous layer, into the dermis and attach to the lower layers of the epidermis. Nerves are also attached to the hair follicle, causing discomfort if the hair is pulled.

ARRECTOR PILI MUSCLE

This muscle is attached to the hair follicle and the epidermis. We we are cold or scared the muscle contracts and causes the hair to lift. This traps a layer of warm air between the hairs and protects from the cold.

DERMAL PAPILLA

This nourishes the hair follicle and supplies food and oxygen to the hair and skin from blood cells via capillaries, arteries and veins.

THE MATRIX

The matrix is wrapped around  the dermal papilla, forms the new hair bulb by producing cells called melanocytes. These are made from keratin and are the fastest growing cells in the body.

Hair shaft

Epidermis

Follicle

Dermis

Sebaceous gland

Dermal papilla

Blood capillaries

Arrector Pilli muscle

Sweat gland

What happens to arrector pili muscles?

1. Lift hair
2. Contract when cold
3. Relax when warm
4. Produce sweat

What do sebaceous glands produce?

1. Natural oil
2. Sweat
3. Sebum
4. Keratin

What is the subcutaneous layer also known as?

1. Epidermis
2. Hypodermis
3. Dermis

What does the dermis provide to the skin?

1. Elasticity
2. Waterproof barrier
3. Skin colour
4. Strength

What is the function of the epidermis?

1. Determines skin colour
2. Protects from bacteria
3. Provides nutrients to dermis
4. Contains blood supply

Hair covers our whole body

True

False

False

Hair covers most of our body except, the palms of our hands and soles of our feet.

There are two types of hair found all over our body

Vellus hair

Terminal hair

Vellus hair

Fine, downy hair which covers the body. 

It has no colour pigment.

Terminal hair

• Darker and thicker hair
• Has a colour pigment
• This is the hair found on the head.

Group task - Research each stage of the hair growth cycle. Find out how long they last for and what the main purpose is for them.

Anagen - Active growth stage

• Nourishment via blood supply
• Around 80% of hair is in this stage at any one time.
• Lasts between 2-7 years
• This determines how long your hair will grow by the length of your anagen phase.

Catagen - The changing stage

• Hair growth starts to slow, then stop
  
• The follicle starts to shrink and detaches from the dermal papilla
  
• This phase is generally 2 weeks long.
  

Telogen - The tired stage

• Resting phase of the hair growth cycle
  
• Around 15% of hair is in the telogen phase at any one time
  
• Lasts for 10-12 weeks
  
• Hair is removed via brushing and combing.
  

To help you remember....

What percentage of hair is in Telogen phase?

1. 10% of hair
2. 50% of hair
3. Around 15% of hair
4. 80% of hair

What is the Anagen phase?

1. Lasts for 10-12 weeks
2. Resting phase of hair growth
3. Active growth stage of hair
4. Hair starts to slow down

How long does the Catagen phase last?

1. 2-7 years
2. 10-12 weeks
3. 3 months
4. Generally lasts 2 weeks

What type of hair is Vellus hair?

1. Fine, downy hair covering the body
2. Has a colour pigment
3. Hair found on the head
4. Darker and thicker hair

Reflect, Summarise, and Share

Step 1 – Review and Recall 

Write down 5 key facts, that you have learned in today’s lesson. 

Step 2- Write a short summary using the key facts you recalled in step 1.

Step 3 – Peer Share and Clarify (5 minutes) in pairs or small groups, read through each other’s summaries and discuss any differences. 

Step 4- Reflective Sentence Starters (2 minutes)"Today, I learned that…"

"A key point I need to remember is…"

"One question I still have is…"

Remember to use your learning review book to record new key terms you have learnt in todays session.