NY Nail Technician study materials
NY Nail Technician study resources

NY Nail Technician cheat sheet

NY Nail Technician · Keep the key ideas within reach.

Quick reference

Infection Control

  • Chain of infection: infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, susceptible host; breaking any link prevents spread.

  • Cleaning removes debris and many microbes with soap or detergent and water; disinfection kills most harmful microbes on nonporous surfaces; sterilization destroys all microbial life including spores.

  • Use an EPA-registered hospital disinfectant with a tuberculocidal claim for items contaminated with blood or body fluids, following the label contact time.

  • Porous or absorbent items such as wooden sticks, cotton, paper towels, and porous-core files are single-use and must be discarded after one client.

  • Nonporous reusable implements must be cleaned, rinsed, dried, and completely immersed or wiped with disinfectant according to manufacturer directions.

  • Hand hygiene: wash with soap and water for at least 20 seconds before and after each client; use an alcohol-based sanitizer with at least 60% alcohol if hands are not visibly soiled.

  • Gloves do not replace handwashing; change gloves between clients and after contact with blood, body fluids, or contaminated items.

  • Blood exposure procedure: stop the service, put on gloves, clean the wound, apply pressure, disinfect the area and implements, and dispose of contaminated waste in a sealed bag.

  • Never double-dip implements into product; use a clean spatula or dispenser for each client to prevent cross-contamination.

Quick reference

Sanitation and Safety

  • Safety Data Sheets have 16 sections and must be kept accessible for every hazardous chemical in the salon.

  • A disinfectant label states the EPA registration number, dilution ratio, contact time, and shelf life; mixing products can create toxic fumes or reduce efficacy.

  • GFCI outlets are required near water sources; electrical cords must be unplugged by the plug, not pulled by the cord, and kept away from wet surfaces.

  • Flammable products are stored in approved closed cabinets away from heat and open flames; the PASS method for a fire extinguisher is Pull, Aim, Squeeze, Sweep.

  • Proper ventilation, such as local exhaust or open windows, reduces inhalation of acrylic monomer, primer, and other salon vapors.

  • Ergonomic setup includes an adjustable chair and table, client hand support at a comfortable height, and neutral technician wrists to reduce strain.

  • Spills are cleaned immediately, floors are kept dry, and wet-floor signs are used to prevent slips and falls.

  • Sharps are disposed of in a puncture-resistant sharps container; used blades and sharp implements are never recapped or bent by hand.

  • All blood and body fluids are treated as infectious under universal precautions, regardless of the client's appearance or stated health status.

Quick reference

Manicuring and Pedicuring Techniques

  • Natural nail filing uses a fine-grit file of 180 grit or higher and one-direction strokes from corner toward center to avoid splitting and peeling.

  • A cuticle pusher moves only dead cuticle from the nail plate; living tissue at the eponychium is not cut, and nippers are used only on hangnails or loose dead skin.

  • Nail plate preparation sequence: wash hands, shape nail, gently push cuticle, buff lightly if needed, cleanse with dehydrator, then apply product.

  • Massage strokes include effleurage for gliding, petrissage for kneading, friction for circular motion, tapotement for tapping, and vibration; avoid massage over inflamed, infected, or injured tissue.

  • Pedicure sequence: soak, clean under the free edge, file, push cuticle, exfoliate, massage, polish; tubs are cleaned and disinfected after each client.

  • Paraffin wax is tested on the technician's wrist and applied only to intact skin; clients with diabetes or circulatory problems need medical clearance.

  • French manicure: apply nude or pink base, paint a white free edge with a smile line, then seal with top coat; cap the free edge to reduce chipping.

  • Polish application follows base coat, two thin color coats, and top coat; thin coats dry faster and resist bubbling better than one thick coat.

  • Contraindications for nail services include inflamed, infected, swollen, or broken skin; the technician refers the client for medical care rather than treating the condition.

Quick reference

Nail Art

  • Nail art products must be cosmetic-grade and used according to label; craft paints, glitters, or resins not intended for nails can cause irritation or allergic reactions.

  • Water marbling uses room-temperature water, a drop of polish per color, a drawn pattern, and a quick dip; tape protects surrounding skin.

  • Stamping requires an etched plate, stamping polish, scraper, and stamper; the design is rolled onto the nail in one smooth motion.

  • Dotting tools create controlled dots; a larger tip makes larger dots, and the tool is cleaned between colors to prevent contamination.

  • Foil art uses foil glue that dries tacky; the foil sheet is pressed onto the glue and sealed with top coat to prevent lifting.

  • Gel nail art must be cured under the correct UV or LED lamp for the manufacturer's specified time; under-curing can cause allergies and peeling.

  • Ombre or gradient art is created by sponging two or more colors onto the nail, then sealing with top coat; a makeup sponge gives a soft blend.

  • 3D nail art using acrylic or gel must be built in thin layers; thick applications can trap moisture, lift, or cure unevenly.

  • Nail art tools that contact skin or product must be cleaned and disinfected between clients; single-use items are discarded.

Quick reference

Tips, Wraps and Enhancements

  • Nail tip sizing: choose a tip that fits sidewall to sidewall without pressure; a tip that is too small or too large causes lifting and discomfort.

  • Tip blending thins the seam between tip and natural nail; the blended area must be smooth so the overlay does not show a ridge.

  • Fabric wraps use silk, linen, or fiberglass mesh with resin; the wrap is applied over the nail plate, wrapped around the free edge, and sealed.

  • Acrylic enhancement: polymer powder and monomer liquid are mixed to a workable bead; hardening occurs by polymerization, not evaporation.

  • Proper liquid-to-powder ratio prevents brittle or weak enhancements; too wet a bead shrinks and lifts, while too dry a bead pits and weakens.

  • Gel enhancements cure only under a compatible UV or LED lamp; product must not contact skin because uncured gel can cause allergic reactions.

  • Primer improves adhesion to the natural nail; acid-free primers are less irritating, and primer must not be applied to skin.

  • Fills or rebalances are scheduled every two to three weeks; lifted product is removed, the stress area rebuilt, and the surface refinished.

  • Enhancements are removed by soaking or filing according to product type; pulling or forcing removal damages the nail plate.

Quick reference

Anatomy, Physiology and Nail Structure

  • Nail plate: hard keratin structure; it has no nerves or blood vessels, so filing a normal nail plate is painless.

  • Nail bed: skin beneath the nail plate; it contains nerves and blood vessels and appears pink through the translucent plate.

  • Nail matrix: living tissue at the base of the nail that produces nail cells; injury can cause ridges, grooves, or permanent deformity.

  • Lunula: visible whitish half-moon at the proximal nail; it is the visible portion of the matrix.

  • Cuticle: dead tissue seal on the nail plate; eponychium: living tissue at the proximal nail fold; hyponychium: seal under the free edge.

  • Fingernails grow about 3 mm per month; toenails grow about 1 mm per month; full fingernail replacement takes 4 to 6 months and toenails 12 to 18 months.

  • Nail growth is faster in summer, in younger people, on the dominant hand, and on fingernails compared with toenails.

  • Nail folds, nail grooves, and the perionychium surround and protect the nail; the free edge extends beyond the fingertip.

  • Common nail disorders include onychomycosis, a fungal infection; paronychia, infection of the nail fold; onycholysis, separation; leukonychia, white spots; and koilonychia, spoon nails.

Quick reference

Business Practices

  • Business structures include sole proprietorship, partnership, limited liability company, and corporation; each has different liability and tax rules.

  • Service price must cover product cost, labor, overhead, and profit; a pricing formula prevents underpricing.

  • Client records include contact information, service history, products used, allergies, and consent; records are kept confidential and secure.

  • Liability insurance protects against claims of injury or damage from services; coverage should be verified for nail services and booth renters.

  • Worker classification matters: employees have taxes withheld and may receive benefits; independent contractors control their work and pay their own taxes.

  • Inventory control uses first-in, first-out rotation; expired or contaminated products are discarded according to label and local rules.

  • Advertising must be truthful; before-and-after photos require client permission and must not misrepresent results.

  • Scheduling policies such as deposits, cancellation windows, and late fees should be written and explained before booking to reduce disputes.

  • Retail products and services may have different sales tax treatment; the business must follow New York State tax rules for taxable sales.

Quick reference

Ethics and New York State Law

  • The New York nail specialty license is issued by the NYS Division of Licensing Services; a separate appearance enhancement business license is required for the shop.

  • New York requires 250 hours of approved nail specialty training before taking the licensing exam; license renewal and display rules apply.

  • Only licensed individuals may perform nail specialty services for compensation; unlicensed practice can result in fines and license denial.

  • The individual license and business license must be available for inspection, and required sanitation rules and price lists are posted.

  • Scope of practice: nail technicians perform cosmetic nail care; they do not diagnose or treat infections, tumors, or systemic disease.

  • Informed consent means the client understands the service, risks, and alternatives before the technician begins.

  • Confidentiality means client health and personal information is not disclosed without permission except as required by law.

  • Ethical conduct includes honesty in advertising, no discrimination, no fee splitting for referrals, and no performing services while impaired.

  • When a client has an infected or inflamed nail, the technician refuses the service and refers the client to a physician because treating infection is outside the license.