Test for salt allergy to avoid dangerous reaction before using dye.

Stop service immediately to provide first aid, avoid worsening the wound, comply with safety.

Cuticle nippers can be reused after proper disinfection.

Good hair (poor absorption) has tight cuticles, needs more chemicals.

Cuticle nippers cut excess skin accurately and safely.

Cleansing removes dirt and oil, prepares for next steps.

Fine file gently removes glue, avoiding damage to natural nails.

Elasticity test checks elasticity, assesses hair health before dyeing.

Curly hair easily grows ingrown, causes folliculitis, boils.

Primer creates strong bond between natural nails and acrylic.

Diffuser creates tight curls, maintains natural waves near scalp.

Alopecia areata is an autoimmune disease causing round patches of hair loss on the scalp.

Chemical allergy test (patch test) avoids skin reactions before service.

Oily skin is due to sebaceous glands producing too much oil, from genetics, hormones or improper care.

UV lamp dries gel effectively, activates photochemicals in gel.

Porous hair absorbs well, needs less chemicals for processing.

Dermis contains blood vessels, nerves, sweat glands.

Cuticle oil maintains moisture, protects nails and surrounding skin.

Clarifying shampoo removes oil and styling products, prepares hair for dyeing.

Diagonal line creates layers, smooth transition between hair layers.

Highest point of eyebrow is after outer eye corner, creates balanced, natural shape.

Soft hair (not coarse) is easy to cut to crown, creates beautiful layers.

Aniline derivative tints cause eye irritation, not safe for eyebrows.

Boils are caused by bacteria (staphylococcus aureus) causing inflammation, creating pus.

Taut skin reduces pain, increases accuracy when extending lashes, avoids skin damage.

Clarifying shampoo removes dye, hairspray, deep cleans hair.

Telogen is the resting phase in hair cycle (anagen: growth, catagen: transition).

Uniform layer creates consistent length, increases thickness and natural movement.

Red swollen pimples with pus are caused by bacteria (staphylococcus aureus) causing inflammation, accumulating pus.

Communicable disease spreads through direct or indirect contact, according to CDC.

Handwashing is cleaning, removing surface dirt and bacteria, the lowest level according to CDC.

Medium-grit file removes natural oils, increases adhesion for glue.

Test on tissue paper checks safe temperature, avoids damaging hair.

Effective listening ensures understanding client needs, improves communication and service.

Hydrogen peroxide is a strong oxidizing agent, should not be stored in metal as it causes dangerous chemical reactions.

Electric file machine does not have direct contact, only needs surface cleaning.

Trimmer is used to sharply edge hairlines around ears and neck, creating precise lines.

Blood-stained cloth is medical waste, needs double-bagging to prevent transmission.

Medium temperature (120-150°C) is safe, avoids damaging hair.

Brittle, cracked nails due to removers, aggressive filing or genetics weakening nails.

Rinse eyes with clean water immediately to remove chemicals, avoid injury.

Apply primer to increase color polish adhesion, ensures durability.

Wetting hair makes hair soft, easier to cut with razor, avoids damage.

Coarse hair has thick cuticles, needs long time for chemicals to penetrate.

Test hot wax on technician's wrist checks temperature, avoids burning client.

Strand test checks time and effectiveness of dye on small hair strand.

Insulator (rubber, PVC) wraps electrical wires, prevents electric shock.

Cross check (90° horizontal cut) ensures evenness after 90° vertical cut.

Hair length determines rod size (long hair: large rod; short: small rod).

A non-absorbent tool (disinfected spatula) prevents cross-contamination, according to salon standards.

Cleaning removes dirt before disinfection, according to OSHA.

Excessive cleaning of hyponychium (skin under nail tip) causes tearing, pain, easy infection.

Skin lacking oil becomes dry, easily flaky, tight and irritated.

Moisturizer soothes skin, reduces irritation, maintains moisture after lip waxing.

Barbicide is specialized disinfectant for metal tools, meets EPA standards.

Wrapping from one side to other at nail tip ensures durability and aesthetics.

Clean skin with alcohol removes oil and dirt, increases wax adhesion.

Pull against hair growth direction is effective, less painful, removes hair from roots.

Perm (cold wave) changes hair structure, creates permanent curls.

Sensitive skin is easily irritated by chemicals, temperature, or products, needs gentle care.

Dry skin needs lots of moisturizer to prevent flaking and irritation.

Hacking is strong massage, causes pain, not relaxing.

Cuticle nippers cut excess skin accurately and safely.

Graduation (45° cut) creates transition from short to long, natural.

Uniform layer creates consistent length, increases even thickness.

Soaking dirty tools causes cross-contamination, rendering the solution ineffective and requiring replacement. According to OSHA, tools must be cleaned before disinfection.

Ring finger goes into fixed hole of scissors, ensures good control.

Holding and moving hair prevents scalp burns when using heat tools, ensuring safety.

EPA registration number proves product has been tested for safety.

Backcombing (teasing) creates volume at roots, increases fullness.

Pulling wax toward eyebrows reduces pain, is effective, avoids skin damage.

Brush-bottle is a specialized bottle for holding and applying hair dye, convenient and accurate.

Twist intertwines two hair strands like rope, creates durable, beautiful style.

UV bonding gel increases adhesion between gel layers, ensures nails are durable.

Metallic dye causes unwanted chemical reactions, making other services difficult.

Minimum pressure maintains curly hair structure, avoids temporary straightening.

Hair dye (aniline tints) causes eye irritation, not safe.

Draping protects clothing, increases comfort and relaxation, according to spa standards.

Damaged hair breaks easily due to weak structure, cannot withstand chemicals.

Thermal iron on chemically treated hair causes smoke and burning, hair damage.

Acute dermatitis (swollen, red, painful) should not receive facials, easily further irritated.

Tweezers are used to attach false lashes accurately and safely to real lashes.

Nummular eczema causes red, round lesions with silver borders, usually itchy.

Freedom backwards texturizes backward creating natural, comfortable hair ends.

Nitrile gloves resist chemicals, do not cause allergies, safe according to OSHA.

Draping protects client's clothing and skin from chemicals, according to salon standards.

Bookend folds paper in half to protect hair, creates beautiful perm style.

Clippers create a gradient style, shorter at the edges than on top, popular in fade styles.

Frequent strand test checks if hair has absorbed enough dye.

Blackheads are caused by pores clogged with oil and dead cells, oxidized.

Anagen phase is active hair growth phase, cells divide rapidly.

70% alcohol cleans oil and dirt, increases gel polish adhesion.

Disinfection kills bacteria and viruses but not spores, according to CDC.

Warm water opens cuticles, effectively removes excess dye.

Round brush combined with blow dryer creates volume and fullness.

Skin without oil is dry skin, easily flaky, tight, irritated.

Wash hands with soap and warm water removes chemicals, avoids skin irritation.

Apply talc powder absorbs moisture, reduces pain, increases wax adhesion.

Cutting above 90° creates layers, increasing thickness and movement in hair.

Rod diameter determines curl tightness (small: tight, large: loose).

Pediculosis is caused by lice parasites, causing itching, transmitted through contact.

Flat iron (thermal straightening) makes hair straight and smooth temporarily.

Cuticle nippers can be reused after proper disinfection.

Tweezers attach false lashes to real lashes accurately and safely.

Disinfectants kill bacteria, fungus, viruses, ensure safety according to EPA.

Test on tissue checks safe temperature before ironing hair.

Damaged nails are prone to fungus due to weak structure, easy infection.

Household bleach (sodium hypochlorite) is an effective disinfectant, diluted according to EPA.

Apply solution gently and carefully to avoid hair damage, ensure even perming.

Combs need disinfection after each client to avoid transmitting bacteria and fungus.

Frizzy hair is due to high moisture absorption, usually in porous or damaged hair.

Cuticle is the epidermis around nails, protects from bacteria, needs careful care.

Hair removal on moles causes irritation, inflammation, changes mole structure.

Covering client's eyes with cotton pads protects from strong light, ensures safety.

Metal combs conduct heat, cause burns and hair damage.

Bleached pale yellow hair is weak, easily broken, should not perm/straighten as it causes damage.

Notifying before leaving shows responsibility and respect for the salon owner.