Infection Control & Safety
Cleaning, disinfection, exposure response and cross-contamination.
40-question study targetWritten exam preparation
Know the answer—and why it is right.
Original practice questions, English exam terminology, detailed explanations, weak-area drills, and state-aware planning.
QUESTION 8 OF 24HAIR STRUCTURE · 45%
Which hair layer contains most natural pigment?
ACuticle
BCortex✓
CMedulla only
DFollicle wall
Why this is correct
Most melanin and the major structural changes from chemical services occur in the cortex.
NIC national theory content outline · Hair Care and ServicesInside every attempt
Feedback becomes the next study task.
- Timed full-length mock exams
- Immediate explanations during practice
- “Why you got it wrong” tutoring
- Missed-question review queue
- Domain scores and readiness history
- Questions in English; guidance in four languages
Complete subject catalog
All 22 foundation subjects.
Current state-specific question coverage is labeled separately. General foundation content is never described as a state-specific replica.
Anatomy & Physiology
Hair, skin, nail anatomy and body systems used in cosmetology.
35-question study targetCosmetology Chemistry
pH, product behavior, solutions and chemical reactions.
35-question study targetElectricity & Tool Safety
Electrical terms, appliance inspection and safe tool handling.
33-question study targetHair Structure & Analysis
Porosity, elasticity, texture, density and strand structure.
43-question study targetScalp Care
Scalp analysis, shampoo selection, massage and contraindications.
30-question study targetHair Disorders & Diseases
Recognize common conditions and know when not to perform a service.
30-question study targetHaircutting
Elevation, lines, angles, guides, cross-checking and safety.
35-question study targetHairstyling
Wet styling, thermal styling, braiding and design principles.
35-question study targetHaircolor
Color theory, tests, formulation, lightening and application.
35-question study targetChemical Texture — Perming
Rod selection, wrapping, reduction, test curls and neutralization.
35-question study targetChemical Texture — Relaxing
Hair analysis, base protection, application and incompatibilities.
35-question study targetWigs & Hair Additions
Construction, fitting, care, extensions and safe removal.
30-question study targetSkin Structure
Skin layers, glands, functions, types and analysis.
35-question study targetSkin Disorders
Visible conditions, contraindications and referral boundaries.
30-question study targetFacials
Consultation, cleansing, massage, masks and service safety.
30-question study targetHair Removal
Waxing, tweezing, growth direction and contraindications.
32-question study targetNail Structure
Natural nail anatomy, growth and surrounding tissue.
30-question study targetNail Disorders & Diseases
Recognize serviceable conditions and contraindications.
30-question study targetNail Enhancements
Tips, wraps, monomer/polymer and light-cured products.
35-question study targetOn the Job
Consultation, ergonomics, records and professional conduct.
30-question study targetSalon Ownership & Business
Scheduling, inventory, service records and basic operations.
30-question study target