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WorksheetsChapter 15 Chemical Texture Practice Test
Total questions: 100
Worksheet time: 1hrs 15mins
Chemical texture services primarily work by altering which part of the hair?
Cuticle only
Cortex
Medulla
Follicle
Which bonds must be broken to create a permanent change in hair texture?
Hydrogen bonds
Salt bonds
Disulfide bonds
Peptide bonds
The natural pH of hair and scalp is:
2.5–3.0
4.5–5.5
6.0–7.0
8.0–9.0
Sodium hydroxide relaxers have a pH of:
5–6
7–8
9–10
12.5–14
Guanidine hydroxide relaxers are best for which hair type?
Extremely coarse hair
Looser wave patterns
Natural unprocessed hair
Fine, fragile hair
Hydroxide relaxers transform disulfide bonds through which process?
Neutralization
Lanthionization
Oxidation
Ionization
Which relaxer type should never be mixed or used over hydroxide relaxers?
Thio
No-lye
Low-pH
Calcium-based
A protective base cream is applied to:
Strengthen hair bonds
Reduce odor
Protect the scalp
Close the cuticle
Mild-strength relaxers are recommended for:
Coarse hair
Fine, color-treated hair
Overly dense hair
Virgin hair only
The correct step after processing a hydroxide relaxer is:
Apply hydrogen peroxide
Shampoo twice with clarifying shampoo
Rinse thoroughly with warm water
Blow-dry immediately
Thio relaxers soften the hair by:
Removing sulfur atoms
Adding hydrogen atoms
Flattening polypeptide chains
Expanding the medulla
Which neutralizer is commonly used with thio relaxers?
Sodium hydroxide
Hydrogen peroxide
Ammonium bisulfite
Lactic acid
Keratin smoothing treatments typically last:
3–5 days
2 weeks
Up to 12 weeks
Permanently
Which ingredient in smoothing treatments may release formaldehyde?
Silicones
Sodium bromate
Methylene glycol
Guanine
Which tool should NEVER be used during relaxer application?
Plastic bowl
Hard rubber comb
Metal clips
Gloves
A patch test checks for:
Curl pattern
Porosity
Allergic reactions
Temperature sensitivity
Metallic salts can cause:
Excess frizz
Scalp dryness
Severe chemical reactions
Color fading
During a virgin relaxer, application starts:
At the scalp
On the mid-shaft
At the ends
At the nape
Permanent waving chemically restructures hair using:
Only mechanical wrapping
Disulfide bond reduction
Hydrogen bond reformation
Cuticle abrasion
Alkaline waves contain which reducing agent?
ATG
GMTG
MEA
Cysteamine
True acid waves process more slowly because:
They contain peroxide
They swell the cuticle
They have a lower pH
They require cold temperatures
Acid-balanced waves typically have a pH of:
4.5
5.0
7.0
9.0
Exothermic waves:
Require external heat
Absorb heat
Produce heat
Cannot be used on color-treated hair
24. Ammonia-free waves replace ammonia with:
Peroxides
Alkanolamines
Sodium sulfite
Silicone oils
Low-pH waves are best for:
Coarse hair
Resistant hair
Color-treated hair
Previously relaxed hair
Concave rods create curls that are:
Uniform
Tighter in the center
Larger at the scalp
Spiral shaped
The double flat wrap uses:
One end paper
Two end papers
No end papers
Folded backing paper
On-base placement is wrapped at:
45° below
90°
135°
180°
Off-base placement produces:
Maximum volume
Moderate volume
Minimum volume
No curl
Croquignole wrapping produces:
Uniform curls
Looser ends
Larger curl at scalp
Spiral curl pattern
Spiral wrapping is ideal for:
Tight body waves
Corkscrew curls
Uniform root lift
Correcting porosity
The basic wrap uses:
Vertical subsections
Alternating rod directions
Equal-sized bases
Diagonal partings
Bricklay patterns help prevent:
Curl reversion
Tangling
Noticeable splits
Chemical runoff
Test curls determine:
Cuticle thickness
Chemical odor strength
Processing time
Hair porosity only
Overprocessed hair appears:
Straighter at the scalp
Curlier at the scalp
Curlier at the ends
Completely straight
Underprocessed hair appears:
Too straight at the scalp
Too curly at the scalp
Too light in color
Broken at the ends
A perm should not be performed on hair that has been:
Color-treated
Semi-permanently dyed
Bleached
Trimmed recently
The neutralizer's main job is to:
Swell the cuticle
Add hydrogen
Rebuild disulfide bonds
Remove moisture
Which tool holds bands away from the scalp?
tail comb
roller picks
end papers
plastic clips
A soft curl perm uses:
Only rods
Hydroxide relaxer
Thio relaxer + perm
Keratin smoothing
Which factor determines rod size selection?
Porosity
Curl size desired
Scalp shape
Hair density only
A client on medication may:
Have stronger curls
Experience unpredictable results
Need no test curls
Require only acidic perms
Patch tests for perms are done:
Immediately before service
24-48 hours before service
One week before
Only after wrapping
Metallic salt tests use:
Sodium hydroxide
Water + citric acid
Peroxide + ammonia
Vinegar + baking soda
During a retouch relaxer, application starts:
On the ends
On midshaft
On new growth
On entire strand
A relaxer strand test checks:
Curl size desired
Elasticity and processing
Rod direction
Hair density
Keratin treatments coat:
Medulla
Cortex
Cuticle
Follicle
A no–base relaxer contains:
Built-in base cream
No alkaline chemicals
No water
No thickeners
Hydroxide relaxers can swell hair up to:
20%
50%
Double its normal diameter
Triple its normal diameter
Lanthionization converts bonds into:
Salt bonds
Peptide bonds
Lanthionine bonds
Hydrogen bonds
Ammonium thioglycolate has a pH of:
6–7
7.5–8
9.6–10
12–14
Hair must not be relaxed if the scalp shows:
Dry flakes
Redness or abrasions
Oily buildup
High density
Relaxing hair 100% results in:
Best curl
Limp, damaged hair
Natural bounce
Firm texture
A processing cap is recommended after:
Acid perm
Keratin treatment
Soft curl perm
Alkaline perm
End papers prevent:
Hair swelling
Fishhooks
Overprocessing
Porosity issues
A chemical cape is used for:
Curl definition
Skin protection
Volume enhancement
Scalp analysis
A plastic tail comb is used for:
Smoothing base sections
Neutralizing the hair
Rinsing chemicals
Measuring porosity
During perm wrapping, hair should be kept:
Dry
Slightly moist
Completely wet
Chemically softened
A client intake form is important to:
Track product brands
Assess suitability for service
Choose rod colors
Reduce service time
The first step in relaxer application is:
Base cream application
Determine wave pattern
Rinse the hair
Apply conditioner
pH measures:
temperature
moisture
potential hydrogen
bond strength
Each step on the pH scale is a :
2x change
5x change
10x change
50x change
Hydrogen relaxers may reach:
pH 6
pH 9
pH 12-14
pH 4.5-5.5
Lye Relaxers contain:
Guanidine
Sodium Hydroxide
MEA
Cysteamine
No-Lye Relaxers include
Ammonium bisulfite
Guanidine hydroxide
ATG
Sodium Hydroxide
Lanthionization produces:
salt bonds
peptide bonds
lanthionine bonds
cysteine bonds
Neutralizing shampoo is:
Alkaline
Acid-balanced
Neutral pH
Very Alkaline
Thio Relaxer is NOT compatible with:
Acid waves
No-Lye Relaxers
Semi-permanent color
Conditioning Treatments
Reduction adds:
Sulfur Atoms
Hydrogen atoms
Carbon Atoms
Oxygen Atoms
Thio Neutralization is:
Reduction
Alkalization
Oxidation
Tonization
Japanese thermal straightening includes:
only flat ironing
only relaxer
thio & heat
keratin & peroxide
Formaldehyde-releasing ingredients include :
Ammonium sulfate
Methylene glycol
Sodium Chloride
Benzyl Alcohol
The EPA classifies formaldehyde as a :
pH stabilizer
color enhancer
probable carcinogen
neutralizing agent
GMTG in acid waves can cause:
stronger hair
reduced swelling
skin sensitivity
metallic buildup
True acid waves require
cold air
added heat
no heat
UV light
Acid-balanced waves generally create:
tight curls
firm curls without heat
loose. gentle curls
no curl
Ammonia-free waves use:
MEA or AMP
Sodium hydroxide
Hydrogen peroxide only
Bisulfite salt
Low-pH waves include
Sodium Hydroxide solutions
Bisulfite-base solutions
ATG combined with peroxide
Acid-Balanced soultion
Concave rods create:
Even curls
Larger curl formation at ends
Tighter curl in the center
No curl at the root
Bookend wrap is ideal for:
Long Hair
Short rods or short hair
High porosity hair
Thick sections
Half-off base placement uses:
90 degree angle
45 degree beyond perpendicular
0 degree elevation
180 degree elevation
Spiral wrapping produces:
uniform curls
no curl
tight root curl only
uneven curl pattern
The partial perm is used when
Hair is too thick
Curl is desired in specific areas
Hair is too short for rods
Hair is porous
Perms should NOT be performed on:
clean hair
bleached/lightened hair
porous hair
medium texture
During Rinsing After the perm solution, water should be
hot
warm
cold
steam
Neutralizer should be applied after:
wrapping only
conditioning
applying heat
rinsing and blotting
After a perm, oxidation reforms:
Disulfide bonds
Salt bonds
Hydrogen Bonds
Peptide bonds
A pH of 7 is considered
acidic
neutral
slightly alkaline
very alkaline
Sodium Hydroxide is also known as:
No-Lye Relaxer
Lye Relaxer
Neutral Relaxer
Thio Relaxer
Guanidine relaxers are packaged as:
pre mixed
two part mix
powder form
spray form
No-Lye Relaxers may cause:
curl tightening
calcium buildup
rapid oxidation
greater scalp irritation
Lanthionization removes:
one carbon atom
one hydrogen atom
one nitrogen atom
one sulfur atom
A major ingredient in exothermic waves is:
sodium bromate
hydrogen peroxide activator
silicone polymers
MEA
Acid waves primary use:
ATC
MEA
GMTC
Calcium Sulfate
Acid-Balanced waves have a pH around:
2.5
4.5
7.0
10
Croquignole wraps begin at the:
roots
midshaft
ends
crown
Neutralizer helps:
remove oil
rebuild disulfide bonds
increase swelling
raise pH
Hair should be wrapped:
dry
very wet
almost dry
evenly damp
Retouch relaxer is applied to:
ends
midshaft
entire length
new growth
The cortex controls:
density
moisture content
hair color and
texture and strength
