EPA Hairdressing Knowledge Test (2025) – Set 4

Which layer of hair protects the cortex?

• Medulla

• Cortex

• Cuticle

• Follicle

Which describes elasticity in hair?

• Ability to absorb water

• Ability to stretch and return

• Ability to tangle

• Ability to resist colour

Why is correct tension important during cutting?

• Prevent split ends

• Achieves even cutting lines

• Speeds up service

• Increases shine

Which technique removes weight in thick hair?

• Graduation

• Point cutting

• Blunt cutting

• Texturising

What should be done if a client shows irritation after skin test?

• Proceed carefully

• Avoid scalp

• Use lower peroxide

• Do not carry out service

What do porosity tests help assess?

• Curl pattern

• Hair thickness

• Ability to absorb moisture or chemicals

• Growth rate

What does PPE stand for?

• Personal Protective Equipment

• Personal Product Evaluation

• Professional Perming Essentials

• Personal Processing Equipment

Which chemical opens the hair cuticle?

• Hydrogen peroxide

• Neutraliser

• Ammonia

• Water

Which part of the hair structure provides pigment?

• Medulla

• Melanin in the cortex

• Cuticle

• Follicle papilla

Which is a bacterial infection of the scalp?

• Psoriasis

• Tinea Capitis

• Folliculitis

• Alopecia