Hair Structure
What is the outermost layer of the hair called?
The Cuticle
What do we call hair that has no natural curl pattern?
Straight hair
What product removes dirt and oil from hair?
Shampoo
One-length cut
What will scalp disorders prevent?
Chemical services
What is the innermost layer of the hair called?
The medulla
What hair type has a natural S-shaped pattern?
Wavy Hair
How much product does fine hair require?
Less product
What are the main hair cutting tools?
Scissors, shears, razors, and clippers
What does a patch test do?
Checks for allergic reactions to the scalp
What layer gives hair most of its strength and elasticity?
The cortex
What are the three basic hair texture categories?
Fine, medium, and coarse
What do hair conditioning treatments do?
Moisturize and strengthen hair
Haircut reference points are:
Crown, apex, and nape
What is alopecia areata?
Patchy hair loss
What protein is hair mainly made of?
Keratin
What is hair porosity?
The hair's ability to absorb and hold moisture
What does a scalp massage help do?
Increase blood flow and to relax
What is the purpose of thinning shears?
To remove bulk and thickness without removing length
What is tinea capitis?
Fungal scalp infection
What is the living part of the hair located inside the follicle?
What is hair density?
The number of strands per square inch
What should you do before doing a chemical hair service?
Consult the client and check the hair’s condition and service history
What is a graduated haircut?
Shorter at the nape, longer at the top
What is dandruff caused by?
Fungal overgrowth