Unit Aim
The aim of this unit is to provide Learners with the knowledge of human anatomy and physiology relevant to providing hairdressing and barbering services. Learners will develop an understanding of the main body systems and associated pathology applicable to hairdressing and barbering services.
Unit Content
1 Know the function and structure of the hair
- Functions of hair
- Structure of the hair
- Hair follicle:
- ~Root
- ~Inner root sheath
- ~Outer root sheath
- Hair shaft:
- ~Cuticle
- ~Cortex
- ~Medulla
- Chemical properties of hair:
- ~Amino acids
- ~Polypeptide chains
- ~Disulphide/sulphur and cystine bonds
- ~Hydrogen bonds
- ~~ Alpha and Beta keratin states
- ~~~ Alpha keratin state
- ~~~ Beta keratin state
- ~Salt bonds
- Hair growth cycle:
- ~Anagen
- ~Catagen
- ~Telogen
- Factors which may affect hair growth
- ~Hair classification:
- ~Straight:
- ~Wavy
- ~Curly
- ~Coily
- ~Mixed textured (combination
- Types of hair:
- ~Vellus
- ~Terminal
2 Know the hair and scalp conditions
- Non-contagious disorders of the scalp and skin:
- ~Acne
- ~Dandruff (Pityriasis capitis)
- ~Dry scalp
- ~Eczema/dermatitis
- ~Psoriasis
- ~Seborrhoea
- ~Alopecia: general medical term for hair loss
- ~Cicatricial alopecia
- ~Alopecia totalis
- ~Male pattern baldness
- ~Traction alopecia
- ~Alopecia areata
- Contagious disorders of the scalp and skin:
- Bacterial:
- ~Impetigo
- ~Folliculitis
- ~Sycosis barbae
- ~Furunculosis
- ~Sebaceous cyst
- Viral:
- ~Warts
- ~Herpes simplex
- Fungal:
- ~Tinea capitis (ringworm of the scalp)
- ~Tinea barbae
- Animal parasites:
- ~Pediculosis capitis
- ~Scabies
- Referable conditions
- Defects of the hair:
- ~Trichorrhexis Nodosa
- ~Fragilitas crinium
- ~Monilethrix
- ~Damaged cuticle
3 Know the structure and function of skin
- Structure:
- ~The epidermis horny layer
- ~The dermis
- ~The subcutaneous layer
- Functions
- Growth and repair stages
4 Know the structure and function of the head and neck muscles
- Function of the muscular system
- Structure of the muscular system
- Position of the muscles in the head and neck:
- ~Occipital frontalis
- ~Temporalis
- ~Masseter
- ~Sternocleidomastoid anterior
- ~Platysma anterior
- ~Trapezius
- ~Levator scapulae
- ~Deltoid
- ~Rhomboids
5 Know the structure and function of the skeletal system
- Functions of the skeleton
- Position of the bones in the head and neck:
- ~Parietal
- ~Frontal
- ~Sphenoid
- ~Temporal
- ~Occipital
- ~Nasal
- ~Lacrimal
- ~Ethmoid
- ~Zygomatic
- ~Maxilla
- ~Clavicle
- ~Scapular
