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Quizzes > Lifestyle & Hobbies > Hobbies & Leisure

Are You a Hair Enhancement Pro? Take the Wigs & Hair Additions Quiz

Think you can ace patch test methods and wig service costs? Dive in!

Difficulty: Moderate
2-5mins
Learning OutcomesCheat Sheet
Paper art hair additions quiz on sky blue background with patch test methods, wig service costs, hairpiece ID

This quiz helps you figure out which hair additions require a patch test, plus basics on safe bonding, wig service costs, and hairpiece ID. Use it to practice for class or salon work, spot weak areas fast, and learn smart steps to protect clients; for a refresher, see a quick patch test guide or try the hairpieces quiz .

Which hair addition method typically requires a patch test to check for allergic reactions to adhesives?
Sew-in (weft) extensions
Tape-in extensions
Clip-in extensions
Micro ring extensions
Tape-in extensions use adhesive tapes that can provoke allergic contact dermatitis, so a preliminary patch test is necessary to ensure client safety. This test helps identify potential reactions before applying the full service. Other methods like clip-ins and sew-ins don’t use adhesive tapes directly on the skin. .
What is the primary purpose of a patch test in hair addition services?
Determine hair color compatibility
Identify allergic reactions to adhesives
Measure scalp pH
Test hair strength
Patch tests are used to identify allergic reactions to the chemical components in adhesives or bonding agents. By applying a small amount on the skin, stylists can observe any redness or itching. It does not assess hair strength or scalp properties. .
How long before the full application should a patch test be performed?
24–48 hours before service
Immediately before service
One week before service
After application
Industry guidelines recommend conducting a patch test 24 to 48 hours before the full hair addition service. This window allows time for delayed allergic reactions to appear. Testing too early may miss reactions, and testing too late doesn’t give time to rebook safely. .
Which product used in hair additions is most likely to cause an allergic reaction?
Human hair fibers
Keratin bonds
Clip-in combs
Protective sprays
Keratin bonds often contain cyanoacrylates, which are known sensitizers capable of causing contact dermatitis. Hair fibers and combs involve no chemical adhesion. Protective sprays generally use less reactive ingredients. .
True or False: Clip-in extensions require a patch test because they use adhesives.
False
True
Clip-in extensions attach mechanically via combs or clips without adhesives, so patch testing is not required. The purpose of a patch test is to detect allergic reactions to chemical adhesives. Clip-ins avoid that risk entirely. .
Which hair addition service is least likely to require a patch test?
Tape-in extensions
Sew-in weft method
Fusion keratin bonds
Lace front wig installation
Lace front wigs are applied using adjustable straps or beads rather than strong adhesives on the skin. Patch tests target adhesive ingredients, so wig installations typically don’t need them. Weft and resin methods do use adhesives. .
A client had a mild reaction in a patch test. What should you do next?
Cancel service permanently
Proceed with the original adhesive
Use a different, hypoallergenic adhesive
Perform another test after two weeks
A mild reaction indicates sensitivity to the product tested, so switching to a hypoallergenic or different adhesive reduces risk. Proceeding with the same adhesive could worsen a reaction. Canceling entirely may be unnecessary, and waiting two weeks delays necessary service. .
What information is crucial to record during a patch test?
Client’s hair density
Skin reaction type and location
Hair color preference
Scalp moisture level
Documenting the type, severity, and location of skin reactions ensures accurate risk assessment for future services. Hair density and color are not relevant to patch testing. Proper records help with client safety and regulatory compliance. .
Which professional is qualified to conduct a patch test for hair additions?
Licensed cosmetologist
Nail technician
Massage therapist
Barber
Licensed cosmetologists receive training in hair chemistry and skin safety, which includes patch testing protocols. Barbers and nail technicians focus on different services, and massage therapists aren’t trained for patch testing adhesion products. .
How is a patch test area typically prepared before applying adhesive?
Cleansed with isopropyl alcohol
Left untreated
Conditioned with hair oil
Washed with anti-dandruff shampoo
Cleansing the skin with isopropyl alcohol removes oils and dirt, ensuring accurate adhesion and clear observation of skin reactions. Anti-dandruff shampoos and oils can interfere with test results. An untreated site may give false negatives. .
Which bonding adhesive requires the longest development time during a patch test?
Acrylic resin
UV-cure adhesive
Silicone gel
Hot-melt glue
UV-cure adhesives often need exposure under UV light and extended post-exposure time to fully manifest any delayed skin reactions. Hot-melt glues and silicones usually show reactions sooner. Proper timing ensures accurate results. .
What is the ideal size of the patch test area on the skin?
5×5 cm
10×10 cm
Entire palm
1×1 cm
A 1×1 cm area is standardized for patch tests to control the dose of allergen and accurately read reactions. Larger areas increase risk, and smaller areas may not provide sufficient exposure. Standard sizing maintains consistency. .
If a client shows redness and itching after 24 hours, this indicates what type of reaction?
Folliculitis
Photosensitivity reaction
Allergic contact dermatitis
Irritant contact dermatitis
Redness and itching appearing after 24 hours typically signal an allergic contact dermatitis, which is a delayed hypersensitivity reaction. Irritant dermatitis usually appears sooner and with burning rather than itching. Photosensitivity requires UV exposure. .
For wig service costs, which factor has the least influence on pricing?
Client’s natural hair length
Wig styling complexity
Wig material quality
Service location and salon overhead
The client’s own hair length doesn’t affect wig installation costs since the service uses the wig exclusively. Material quality, location overhead, and styling complexity all drive pricing. Wigs fit over existing hair, so natural length is irrelevant. .
Which hairpiece ID refers to a partial hair integration system?
Micro ring extension
Sew-in weft extension
Full lace wig
Hair topper
A hair topper is designed to cover small areas of thinning hair on the crown or part line, integrating with existing hair. Full lace wigs cover the entire scalp. Sew-ins and ring extensions are full-head systems. .
Why is it important to let clients know about patch tests before booking?
To inform about potential service delays
To reduce service cost
To upsell products
To fill appointment slots quickly
Clients must be aware that patch testing takes 24–48 hours and may require a separate appointment, impacting their schedule. Transparency builds trust and avoids last-minute cancellations. It isn’t intended for cost reduction or upselling. .
Which regulatory body's guidelines might dictate patch testing requirements in the U.S.?
OSHA
FDA
FTC
EPA
The FDA regulates cosmetics and personal care products, including adhesives used in hair additions, and provides safety guidelines. OSHA covers workplace safety but not product patch testing. The EPA and FTC have different regulatory scopes. .
How often should patch tests be repeated for frequent clients using the same adhesive?
Only the first time ever
Never repeated
Before every service
Once a year
Allergic sensitization can develop over time, so repeating a patch test before every service ensures any new reactions are caught early. One test ever or yearly doesn’t reliably detect new sensitivities. .
In addition to adhesive reactions, what else can a patch test reveal?
Scalp allergies to hair dyes
Hair elasticity
Hair porosity level
Hair thickness
Patch tests can also be used to test cosmetic hair dyes when applied to a small skin area, revealing dye allergies. They do not measure hair physical properties like porosity or elasticity. Identifying dye allergies helps prevent severe scalp reactions. .
Which adhesive system requires a test application on the hair fiber rather than the skin?
Tape-in extensions
Micro ring method
Fusion keratin bonds
Clip-in combs
Fusion keratin bonds are applied directly onto individual hair strands, so testing on hair fiber checks bond strength and reaction without skin irritation. Tape-in and ring methods involve skin-facing adhesives. Clip-ins use no adhesives. .
Which European standard outlines procedures for skin patch testing of medical devices and adhesives?
ANSI Z87.1
ISO 9001
ISO 10993-10
EN 206
ISO 10993-10 specifies test methods for assessing irritation and skin sensitization of medical devices, including adhesive components. ISO 9001 covers quality management systems. EN 206 is for concrete, and ANSI Z87.1 addresses eye protection. .
What is the timeframe for interpreting results in an extended patch test protocol?
15 minutes
72 hours
5 days
2 hours
Extended patch tests require a 72-hour reading to detect delayed hypersensitivity reactions that may not appear earlier. A 15-minute or 2-hour reading captures immediate irritant reactions only. Five days is beyond standard practice. .
In hair extensions, which component is least likely to need chemical patch testing?
Bead rings
Adhesive tapes
Keratin bonds
Hair color dyes
Bead rings are metal or silicone beads that clamp hair mechanically without chemical adhesives, so they don’t require a chemical patch test. Tapes, keratin bonds, and dyes all involve chemical sensitizers. .
Which method is used to read patch test results objectively in clinical settings?
Visual scoring using a grading scale
Spectrophotometry
pH meter analysis
Tensile strength tester
Visual scoring by trained clinicians using standardized grading scales (erythema and edema severity) is the primary method for reading patch test results. Instruments like pH meters or spectrophotometers aren’t routinely used for skin reaction evaluation. .
Which compound is commonly found in hair extension adhesives known to cause sensitization?
Natural rubber latex
Silicone
Polyurethane
Cyanoacrylates
Cyanoacrylates are fast-bonding adhesives used in many extension systems and are well documented as skin sensitizers. Polyurethanes and silicones are less reactive, and natural latex is used infrequently in this context. .
What is the recommended patch test frequency for a newly formulated adhesive product?
Before first clinical use only
After every client
Monthly batch testing
Once per year
New adhesives should undergo a patch test before their first use on clients to establish baseline safety. After initial use, repeat testing depends on formula changes or client history. Monthly or annual testing isn’t standard practice. .
Which pre-existing condition might contraindicate adhesive patch tests?
Eczema
Hypertension
Myositis
Myopia
Eczema involves a compromised skin barrier and may exacerbate reactions, making patch testing inadvisable until the condition is controlled. Hypertension and myopia aren’t related to skin testing. Myositis affects muscles, not cutaneous reactions. .
Which patch test site is preferred for hair addition adhesive testing?
Behind the ear
Abdomen
Scalp hairline
Forearm inner flexure
The inner forearm is commonly chosen due to flat surface, ease of observation, and minimal movement. Behind the ear and scalp hairline are less accessible for monitoring. The abdomen can be too thick and less standardized. .
For hairpiece ID, what does "PU" stand for in base materials?
Polyester
Polypropylene
Polycarbonate
Polyurethane
PU stands for polyurethane, a synthetic polymer used for its flexibility and durability in wig and topper bases. Polypropylene and polyester have different properties and aren’t abbreviated as PU. Polycarbonate is used in other industries. .
Why might a client with scalp psoriasis require special consideration during patch testing?
Thicker stratum corneum
Increased sebum production
Altered skin barrier function
Higher hair density
Psoriasis disrupts the skin barrier and can cause exaggerated reactions or confound results, so testing should be delayed or performed under medical supervision. Hair density and sebum levels don’t directly affect patch test validity. .
Which advanced testing method can quantify specific allergen concentration in patch test samples?
High-performance liquid chromatography
Gas chromatography–mass spectrometry
Ultracentrifugation
ELISA microarray
Gas chromatography–mass spectrometry (GC-MS) can separate and quantify chemical allergens in patch test formulations with high sensitivity. HPLC is less specific for volatile compounds. ELISA microarrays detect antibodies rather than quantify chemicals. .
In dermatology, which reaction grading system is commonly applied in patch tests for extension adhesives?
Fitzpatrick scale
Wong–Baker scale
ICDRG scale
Glasgow coma scale
The International Contact Dermatitis Research Group (ICDRG) scale standardizes grading of erythema and induration in patch tests, including those for hair extension adhesives. Fitzpatrick classifies skin phototypes, not reactions. Other scales are unrelated. .
Which ingredient in some hair extension adhesives requires a chemical safety assessment under EU REACH regulations?
Ethanol
Glycerin
Water
Methyl methacrylate
Methyl methacrylate is a monomer used in some adhesives that is classified as a skin sensitizer under REACH, requiring safety assessment and labeling. Ethanol and glycerin have lower hazard profiles. Water isn’t regulated. .
Which OECD test guideline specifically addresses skin sensitization testing applicable to extension adhesive chemicals?
ISO 22716: Cosmetics GMP
ISO 14001: Environmental management
OECD 301: Biodegradability
OECD 406: Skin Sensitisation
OECD Test Guideline 406 provides standardized methods for evaluating chemical skin sensitization potential, which is directly relevant for adhesives in hair extensions. OECD 301 covers biodegradability, ISO 22716 covers cosmetic GMP, and ISO 14001 addresses environmental systems. .
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Study Outcomes

  1. Identify Required Patch Test Method -

    Understand which method of applying hair additions requires a patch test to prevent allergic reactions and ensure client safety.

  2. Compare Hair Additions Methods -

    Analyze various hair additions methods - such as clip-ins, tape-ins, and weave wefts - to determine when a patch test is necessary.

  3. Estimate Wig Service Costs -

    Calculate typical wig service costs by considering styling, customization, and upkeep factors for budget planning.

  4. Recognize Hairpiece Types -

    Apply hairpiece identification techniques to distinguish between wigs, toppers, extensions, and other hair enhancements.

  5. Implement Wig Maintenance Techniques -

    Develop a practical routine using wig maintenance techniques to prolong the life and appearance of hair additions.

Cheat Sheet

  1. Allergic Patch Test Protocol -

    Performing a patch test is essential for methods using chemical adhesives - particularly keratin fusion and polyurethane systems - to prevent contact dermatitis (American Academy of Dermatology). Apply a small adhesive sample behind the ear and monitor for 48 hours; mnemonic "DRESS" (Duration, Reaction, Erythema, Swelling, Safety) can help technicians recall critical steps.

  2. Hair Additions Methods Overview -

    Common hair additions include tape-ins, clip-ins, beaded wefts, and fusion extensions; only heat-activated fusion extensions generally require a patch test due to their adhesive base (Journal of Cosmetic Science). Remember the "T.C.B.F." acronym - Tape, Clip, Beaded, Fusion - to categorize methods and identify which method triggers the test requirement.

  3. Wig Service Cost Factors -

    Wig service costs vary by cap construction, labor intensity, fiber quality, and customization (Professional Beauty Association survey). A standard human-hair wig service can range from $200 to $500; understanding these variables helps clients budget appropriately and stylists justify pricing.

  4. Hairpiece Identification Techniques -

    Identifying hairpieces involves examining cap structure (lace front, monofilament, machine-made) and fiber composition; human hair pieces allow for heat styling while synthetic fibers often require lower-temperature care (Journal of Hair Science). Use the "L.M.M." mnemonic - Lace, Mono, Machine - to recall the three main base types during client consultations.

  5. Wig Maintenance Best Practices -

    Regular maintenance - washing every 7 - 14 days for human-hair wigs using sulfate-free shampoos and conditioning with a lightweight formula - prolongs lifespan (International Society of Hair Restoration Surgery). Always detangle gently from tips to roots and store on a mannequin head to maintain shape and fiber integrity.

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