Hair Color & Chemical Services
What type of melanin is responsible for black and brown hair colors?
Eumelanin
What phase of the hair growth cycle is the active growing stage?
Anagen
What elevation angle creates maximum weight and no layering?
0 Degrees
What level of decontamination destroys most pathogens on nonporous surfaces?
Disinfection
What document outlines a salon's income, expenses, and projected profits?
Budget
A client with a level 9 yellow result requires what tone to neutralize unwanted warmth?
Violet
What muscle causes goosebumps by contracting and pulling the hair follicle upright?
Arrector pili muscle
What does over-directing the hair opposite the desired length increase?
Increases length while preserving weight
What bloodborne pathogen attacks the immune system and can lead to AIDS?
HIV
What retail strategy involves recommending complementary products during a service?
Upselling
During a virgin lightener application, what area is typically processed last because body heat accelerates lifting at the scalp?
Scalp area or root area
What layer of the hair shaft contains melanin and determines elasticity and strength
Cortex
What texturizing technique removes weight from the interior without significantly altering perimeter length?
Channel Cutting
What federal agency regulates chemical safety information and Safety Data Sheets?
OSHA
What metric measures the percentage of clients who return for future services?
Client Retention
What occurs when oxidative color molecules combine inside the cortex to form larger color molecules?
Color development (oxidation)
What autoimmune disorder causes smooth, circular patches of hair loss.
Alopecia areata
What head shape consideration often requires adjusting elevation to avoid excessive weight buildup?
A prominent occipital bone
What type of microorganism forms spores and can survive harsh environmental conditions?
Bacteria
What business structure provides liability protection while allowing pass-through taxation?
LLC (Limited Liability Company)
What bond type accounts for approximately one-third of the hair's strength and is broken during chemical texture services?
Disulfide Bonds
What cranial nerve is primarily responsible for facial expression muscles.
Facial nerve (Cranial Nerve VII)
What cutting system uses traveling guidelines and consistent elevation throughout a section?
A uniform-layer haircut
What term describes disease-causing microorganisms that can be transmitted during salon services?
Pathogens
What consultation tool helps identify contraindications before performing a chemical service?
Client health questionnaire or consultation form