Podcast
Questions and Answers
Which of the following structures contains the blood and nerve supply that provides nutrients for hair growth?
Which of the following structures contains the blood and nerve supply that provides nutrients for hair growth?
- Hair Bulb
- Sebaceous Gland
- Dermal Papilla (correct)
- Hair Follicle
Which layer of the hair is the outermost layer that protects the inner structure?
Which layer of the hair is the outermost layer that protects the inner structure?
- Cortex
- Cuticle (correct)
- Medulla
What is keratinization?
What is keratinization?
The process where newly formed cells in the hair bulb mature, fill with keratin, move upward, lose their nucleus, and die.
What are polypeptide chains?
What are polypeptide chains?
Which of the following types of bonds is weak and broken by wetting the hair?
Which of the following types of bonds is weak and broken by wetting the hair?
Which type of melanin provides natural dark brown to black color to hair?
Which type of melanin provides natural dark brown to black color to hair?
Where is terminal hair found on the body?
Where is terminal hair found on the body?
The three phases of the hair growth cycle are ____, ____, and ____. What occurs during each phase?
The three phases of the hair growth cycle are ____, ____, and ____. What occurs during each phase?
What are normal reasons for daily hair loss?
What are normal reasons for daily hair loss?
What are the most common forms of abnormal hair loss?
What are the most common forms of abnormal hair loss?
What are the only two approved hair loss treatments?
What are the only two approved hair loss treatments?
Name the two main types of dandruff. Can either one be treated in the salon?
Name the two main types of dandruff. Can either one be treated in the salon?
Which hair and scalp disorders cannot be treated in the salon?
Which hair and scalp disorders cannot be treated in the salon?
What factors about the hair should be considered in a hair analysis?
What factors about the hair should be considered in a hair analysis?
Flashcards
Dermal Papilla
Dermal Papilla
Structure at hair root's base, providing nutrient supply.
Hair Bulb
Hair Bulb
Club-shaped hair root structure that forms the hair's base.
Arrector Pili Muscle
Arrector Pili Muscle
Muscle causing hair to stand up due to emotions or cold.
Cuticle
Cuticle
Signup and view all the flashcards
Cortex
Cortex
Signup and view all the flashcards
Hydrogen Bond
Hydrogen Bond
Signup and view all the flashcards
Salt Bond
Salt Bond
Signup and view all the flashcards
Eumelanin
Eumelanin
Signup and view all the flashcards
Pheomelanin
Pheomelanin
Signup and view all the flashcards
Terminal Hair
Terminal Hair
Signup and view all the flashcards
Vellus Hair
Vellus Hair
Signup and view all the flashcards
Anagen Phase
Anagen Phase
Signup and view all the flashcards
Minoxidil
Minoxidil
Signup and view all the flashcards
Pityriasis Capitis Simplex
Pityriasis Capitis Simplex
Signup and view all the flashcards
Study Notes
Hair Root Structures
- Dermal Papilla: Contains blood and nerve supply for nutrient delivery in hair growth.
- Hair Bulb: Club-shaped structure that forms the base of the hair root.
- Arrector Pili Muscle: Causes hair to erect in response to strong emotions or cold.
- Sebaceous Gland: Oil glands connected to hair follicles, responsible for lubrication.
- Hair Follicle: Tube-like depression in the skin that houses the hair root.
Hair Shaft Layers
- Cuticle: Outermost layer, serves as a protective barrier for inner hair structure.
- Cortex: Middle layer composed of fibrous protein and containing melanin pigment.
- Medulla: Innermost layer made up of round cells, though may be absent in fine hair.
Keratinization Process
- Newly formed cells in the hair bulb mature, fill with keratin, move upward, lose nuclei, and die.
Polypeptide Chains
- Long chains of amino acids linked by peptide bonds, fundamental in hair structure.
Types of Side Bonds
- Hydrogen Bond: Weak bond potentially broken by moisture.
- Salt Bond: Weak bond disrupted by strong alkaline or acidic solutions.
- Disulfide Bond: Strong bond broken by chemical processes like permanent waving or heat styling.
Types of Melanin
- Eumelanin: Provides dark brown to black hair.
- Pheomelanin: Responsible for light colors, ranging from red and ginger to yellow and blonde.
Hair Types
- Terminal Hair: Long, coarse, pigmented hair found on the scalp, legs, and arms.
- Vellus Hair: Short, fine, unpigmented hair covering most of the body, absent on palms and soles.
Hair Growth Cycle Phases
- Anagen Phase: Active growth phase for hair follicles.
- Catagen Phase: Transitional phase between growth and rest.
- Telogen Phase: Resting phase before hair is shed.
Normal Hair Loss Reasons
- Natural outcome of the hair growth cycle phases: anagen, catagen, and telogen.
Common Abnormal Hair Loss Types
- Androgenic Alopecia: Genetic form of hair loss.
- Alopecia Areata: Autoimmune-related hair loss.
- Postpartum Alopecia: Hair loss following childbirth.
Approved Hair Loss Treatments
- Minoxidil: Topical treatment for hair loss.
- Finasteride: Oral medication effective in treating hair loss.
Dandruff Types
- Pityriasis Capitis Simplex: Mild dandruff, can be treated with antifungal shampoo in the salon.
- Pityriasis Steatoides: Severe form, requires a physician's referral, not treatable in the salon.
Untreatable Hair and Scalp Disorders
- Conditions that cannot be treated in the salon include:
- Pityriasis Steatoides
- Tinea Capitis
- Tinea Barbae
- Tinea Favosa
- Scabies
- Pediculosis Capitis
- Furuncle
- Carbuncle
- Folliculitis
Hair Analysis Factors
- Key factors include:
- Texture
- Density
- Porosity
- Elasticity
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
