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Ch 18. Chemical Texture Services_Chemical Relaxing
Milady's Standard Cosmetology
82
Cosmetology
Professional
11/26/2010

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Term
2 most common types of chemical hair relaxers
Definition
Thio & Hydroxide
Term
All _________________ relaxer contain only 1 component and used without mixing.
Definition
metal hydroxide
Term
All metal hydroxide relaxer contain ______ component and used without mixing.
Definition
1
Term
All metal hydroxide relaxer contain only 1 component and used ___________.
Definition
without mixing
Term
Do NOT attempt to remove more than ______% of the natural curl.
Definition
80
Term
Do NOT chemically relax hair that has been treated with a _________dye.
Definition
metallic
Term
Extremely curly hair usually breaks at the _______ because of the inherent weakness in that section and the extra physical force that is required to straighten it.
Definition
twists
Term
Hydroxide Relaxer Neutralization Procedure , shampoo at least ____ times with an _____________________.
Definition
3, acid balanced neutralizing shampoo
Term
Hydroxide relaxers remove a _________ from a disulfide bond (consists 2 bonded sulfur atoms), converting it into a lanthionine bond (consists only 1 sulfur atom) by a process called lanthionization permanently which means can never be re-formed.
Definition
sulfur atom
Term
Hydroxide relaxers remove a sulfur atom from a ___________ (consists 2 bonded sulfur atoms), converting it into a lanthionine bond (consists only 1 sulfur atom) by a process called lanthionization permanently which means can never be re-formed.
Definition
disulfide bond
Term
Hydroxide relaxers remove a sulfur atom from a disulfide bond (consists ______________), converting it into a lanthionine bond (consists ___________) by a process called lanthionization permanently which means can never be re-formed.
Definition
2 bonded sulfur atoms, 1 sulfur atom
Term
Hydroxide relaxers remove a sulfur atom from a disulfide bond (consists 2 bonded sulfur atoms), converting it into a __________________(consists only 1 sulfur atom) by a process called lanthionization permanently which means can never be re-formed.
Definition
lanthionine bond
Term
Hydroxide relaxers remove a sulfur atom from a disulfide bond (consists 2 bonded sulfur atoms), converting it into a lanthionine bond (consists only 1 sulfur atom) by a process called ______________ permanently which means can never be re-formed.
Definition
lanthionization
Term
Lithium hydroxide (LiOH) and Potassium hydroxide (KOH) relaxers are often advertised and sold as ______________.
Definition
no-mix, no-lye relaxer
Term
Many hydroxide relaxers have a pH ________.
Definition
over 13.0
Term
Relaxers are characterized by an extremely ____________, and can literally melt or dissolve hair if used incorrectly because of their ingredients used in depilatories.
Definition
high alkalinity
Term
Relaxers are characterized by an extremely high alkalinity, and can literally melt or dissolve hair if used incorrectly because of their ingredients used in _____________.
Definition
depilatories
Term
Sodium hydroxide (NaOH) relaxers are marketed as __________.
Definition
lye relaxer
Term
The process of rearranging the basic structure of (extremely) curly hair into a (straight) smoother form
Definition
Chemical Hair Relaxing
Term
The thinnest & weakest sections of the extremely curly hair strands are located here.
This sections are bent at an extremely sharp angle and will be stretched the most during relaxing.
Definition
twists / twisted section
Term
Thio relaxers usually have pH ________ and higher concentration of ATG than is used in permanent waving.
Definition
above 10
Term
What is the oldest, most common type of chemical hair relaxer?
Definition
Sodium Hydroxide (NaOH) relaxer
Term
다음은 무엇에 관한 설명인가?
Ionic compounds formed by a metal - sodium (Na), potassium (K), or lithium (Li) - which is combined with oxygen (O) and hydrogen (H).
Definition
Metal hydroxide relaxers
Term
_________ are characterized by an extremely high alkalinity, and can literally melt or dissolve hair if used incorrectly because of their ingredients used in depilatories.
Definition
Relaxers
Term
__________ are compatible with thio relaxers, but not compatible with hydroxide relaxers.
Definition
Low-pH Relaxers
Term
__________ are for use on color-treated, damaged, or fine hair.
Definition
Low-pH Relaxers
Term
__________ are not completely straighten extremely curly hair.
Definition
Low-pH Relaxers
Term
___________ are very strong alkalis that can swell the hair up to twice its normal diameter.
Definition
Hydroxide relaxers
Term
____________ application should be used for hair that has not had previously chemical texture services.
Definition
Virgin relaxer
Term
______________ application should be used for hair that has had previously chemical texture services.
Definition
Retouch relaxer
Term
_______________ require the application of a protective base cream to the entire scalp prior to the application of the relaxer.
Definition
Base relaxer
Term
________________ remove a sulfur atom from a disulfide bond (consists 2 bonded sulfur atoms), converting it into a lanthionine bond (consists only 1 sulfur atom) by a process called lanthionization permanently which means can never be re-formed.
Definition
Hydroxide relaxers
Term
_____________________ help you to tell when the hair is sufficiently relaxed.
Definition
Periodic Strand Testing
Term
________________________________ relaxers are often advertised and sold as "no mix-no lye" relaxers.
Definition
Lithium hydroxide (LiOH) and Potassium hydroxide (KOH)
Term
_________________don't require the application of a protective base cream.
Definition
No-base relaxer
Term
Base cream ____________ the hair because it will slow down the chemical straightening process.
Definition
should not touch
Term
Can we relax with thio or soft curl re-form permanent on previously treated with a hydroxide relaxer?
Definition
NO
Term
CaOH?
Definition
Calcium Hydroxide
Term
Curl re-forming is _____________ permanent.
Definition
soft curl
Term
Curl re-forming is also known as ________ or __________.
Definition
Jheri curl / curl
Term
Curl re-forming is combination of a _______________________ that is wrapped on large rods.
Definition
thio relaxer and a thio permanent
Term
Does permanent waving service is available to the hair previously treated with a hydroxide relaxer?
Definition
NO
Term
For fine, color-treated, or damaged hair, what strength of hydroxide relaxer should be used?
Definition
Mild strength
Term
For maximum straightening on very coarse, extremely curly, and resistant hair, what strength of hydroxide relaxer should be used?
Definition
Super strength
Term
For normal hair texture with a medium natural curl, what strength of hydroxide relaxer should be used?
Definition
Regular strength
Term
Guanidine hydroxide relaxer contains ___ components that must be ______ immediately prior to use.
Definition
2, mixed
Term
Hydroxide relaxed hair can be reform?
Definition
NO
Term
Hydroxide relaxers are not compatible with __________ due to using different chemistry.
Definition
thio relaxers
Term
Hydroxide relaxers are very strong alkalis that can swell the hair up to _______its normal diameter.
Definition
twice
Term
If you apply pre-neutralizing conditioner after thio relaxer, how long should it be on the hair?
Definition
5 min
Term
KOH
Definition
Potassium Hydroxide
Term
LiOH
Definition
Lithium Hydroxide
Term
NaOH
Definition
Sodium Hydroxide
Term
No-base relaxer contain a protective base cream that is designed to melt at __________________.
Definition
body temperature
Term
Retouch relaxer application starts ¼” (0.6 cm) ~ ½” (1.25 cm) away from the scalp include ____________.
Definition
only new growth
Term
Some manufacturers include a _________________________ that must be used after rinsing out the relaxer.
Definition
normalizing shampoo
Term
Some manufacturers recommend the use of a ___________________________ after rinsing out the relaxer and prior to shampooing.
Definition
normalizing lotion/solution
Term
The difference in strength of hydroxide relaxers parallels the _________________.
Definition
concentration of hydroxide
Term
The scalp area and the porous ends will usually process more _________ than the middle of the strand.
Definition
quickly
Term
The thinnest & weakest sections of the extremely curly hair strands are located at their _______.
Definition
twists
Term
This is simply makes the existing curl larger & looser.
Definition
curl re-forming
Term
What are the neutralizers of hydroxide relaxers?
Definition
Acid-balace shampoo or Normalizing lotion/solution
Term
What is the active ingredient in all hydroxide relaxers?
Definition
hydroxide ion
Term
What is the reducing agent of thio relaxers?
Definition
Thio (Ammonium Thioglycolate, ATG)
Term
What kind of relaxer uses same chemical that is used in drain cleaners and chemical hair depilatories.
Definition
Sodium Hydroxide (NaOH) relaxer
Term
What kinds of hair type following explained?
Grows in long twisted spirals or coils.
Irregular, exhibiting varying diameters along a single strand.
Definition
Extremely curly hair
Term
What kinds of relaxer contains 2 components that must be mixed immediately prior to use?
Definition
Guanidine hydroxide relaxer
Term
When should be periodic strand testing performed?
Definition
After the relaxer is applied
Term
When you do chemical hair relaxing, _______ shampoo the hair.
Definition
do not
Term
When you do chemical hair relaxing, the hair and scalp must be completely ______.
Definition
dry
Term
When you do hydroxide relaxing, do not apply relaxer to the hair closest to the _________________ until the last few minutes of process to avoid over-processing and scalp irritation.
Definition
scalp or the ends
Term
When you do hydroxide relaxing, starts ________________ away from the scalp.
Definition
¼” (0.6 cm) ~ ½” (1.25 cm)
Term
When you do retouch relaxer, if the previously relaxed hair requires additional straightening, relaxer may be applied during the ____________ of processing.
Definition
last few minutes
Term
When you neutralize thio relaxer, optionally, you can apply ___________________.
Definition
pre-neutralizing conditioner
Term
When you perform periodic strand testing, smooth & press the strand to the scalp using _____________________________________.
Definition
the back of the comb, the applicator brush, or your finger
Term
다음은 무엇에 관한 설명인가?
Process by which hydroxide relaxers permanently straighten hair.
Breaks the hair’s disulfide bonds during processing and converts them into lanthionine bonds when the relaxer is rinsed from the hair.
Definition
lanthionization
Term
다음은 무엇을 설명한 것인가?
An acidic shampoo designed to restore the natural pH of the hair and scalp.
Definition
normalizing shampoo
Term
다음은 무엇을 설명한 것인가?
Conditioner with an acidic pH that condition the hair and restore the natural pH prior to shampooing.
Definition
normalizing lotion/solution
Term
다음은 무엇을 설명한 것인가?
First manufactured & marketed in Asia.
Nothing more than a thio relaxers with double hot blow-dry & a double hot press with flat irons.
Definition
Thermal Ionic Reconstructors
Term
다음은 무엇을 설명한 것인가?
Oily cream used to protect the skin and scalp during hair relaxing.
Definition
Base cream (Protective base cream)
Term
다음은 무엇을 설명한 것인가?
Straighten hair completely with less scalp irritation than other hydroxide relaxers.
Recommended for sensitive scalps and sold OTC for home use.
Definition
Guanidine hydroxide relaxer
Term
다음은 무엇을 설명한 것인가?
Sulfite & bisulfite some time used.
Most commonly used are Ammonium sulfite & Ammonium bisulfite.
Marketed as mild alternative relaxers.
Definition
Low-pH Relaxers
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