How can we help?

You can also find more resources in our Help Center.

Study sets matching "cosmetology chapter 20"

Study sets
Classes
Users

Study sets matching "cosmetology chapter 20"

11 terms
Chapter 20- Cosmetology
Acid balanced
Diameter
Amino acids
Piggy back perm waving
Process fast and produce firm curl than true acid waves
Describes single strand of hair fine, medium, coarse
Keratin proteins make up a long chain and link end to end are:
Used for long hair
Acid balanced
Process fast and produce firm curl than true acid waves
Diameter
Describes single strand of hair fine, medium, coarse
28 terms
cosmetology chapter 20
acid-balanced waves
alkaline waves
ammonia-free waves
ammonium thioglycolate
perms that don't require heat due to their high pH of 7. They…
perm with a pH of 9 with an ATG as the reducing agent
perms with out ammonium for less smell
active ingredients in reducing agents
acid-balanced waves
perms that don't require heat due to their high pH of 7. They…
alkaline waves
perm with a pH of 9 with an ATG as the reducing agent
51 terms
Milady Cosmetology Chapter 20
Acid-balanced waves
Alkaline waves
Amino acids
Ammonia-free waves
Permanent waves that have a 7.0 or neutral pH; because of the…
Also known as cold waves; have a pH between 9.0 and 9.6, use…
Compounds made up of carbon, oxygen, hydrogen, nitrogen, and…
Perms that use an ingredient that does not evaporate as readi…
Acid-balanced waves
Permanent waves that have a 7.0 or neutral pH; because of the…
Alkaline waves
Also known as cold waves; have a pH between 9.0 and 9.6, use…
51 terms
Chapter 20 Cosmetology
Acid-balanced waves
Alkaline waves
Amino acids
Ammonia-free waves
Permanent waves that have a 7.0 or neutral pH; because of the…
Also known as cold waves; have a pH between 9.0 and 9.6, use…
Compounds made up of carbon, oxygen, hydrogen, nitrogen, and…
Perms that use an ingredient that does not evaporate as readi…
Acid-balanced waves
Permanent waves that have a 7.0 or neutral pH; because of the…
Alkaline waves
Also known as cold waves; have a pH between 9.0 and 9.6, use…
65 terms
Chapter 20 Cosmetology
curl re-formation
cortex
5.0
size of the rod
The chemical texture service that losens overly curly hair in…
The layer of the hair that provides strength and elasticity i…
The natural pH of hair is:
In permanent waving, the size of the curl is determined by the:
curl re-formation
The chemical texture service that losens overly curly hair in…
cortex
The layer of the hair that provides strength and elasticity i…
49 terms
Milady Cosmetology Chapter 20
acid-balanced waves
alkaline waves
amino acids
ammonium thioglycolate
Permanent waves that have a 7.0 or neutral pH; because of the…
aka "cold waves"; have a pH between 9.0 and 9.6, use ammonium…
Compounds made up of carbon, oxygen, hydrogen, nitrogen, and…
Active-ingredient or reducing agent in alkaline permanents.
acid-balanced waves
Permanent waves that have a 7.0 or neutral pH; because of the…
alkaline waves
aka "cold waves"; have a pH between 9.0 and 9.6, use ammonium…
72 terms
Cosmetology Chapter 20
Cuticle
Cortex
Medulla
pH
the outer layer of living tissue
an outer layer of another organ or body part such as the cere…
the inner region of an organ or tissue
potential hydrogen
Cuticle
the outer layer of living tissue
Cortex
an outer layer of another organ or body part such as the cere…
55 terms
2016 Cosmetology: Chapter 20 Vocabulary
acid-balanced waves
alkaline waves
amino acids
ammonia-free waves
Permanent waves that have a 7.0 or neutral pH; because of the…
Also known as cold waves; they have a pH between 9.0 and 9.6,…
Compounds made up of carbon, oxygen, hydrogen, nitrogen, and…
Perms that use an ingredient that does not evaporate as readi…
acid-balanced waves
Permanent waves that have a 7.0 or neutral pH; because of the…
alkaline waves
Also known as cold waves; they have a pH between 9.0 and 9.6,…
107 terms
Milady Chapter 20 // Cosmetology
Acid-balanced waves
Alkaline Waves
Amino Acids
Ammonia-free waves
Permanent waves that have a 7 or neutral pH; because of their…
"cold waves"; have a pH between 9.0 and 9.6, use ammonium thi…
Compounds made up of carbon, oxygen, hydrogen, nitrogen, and…
Perms that use an ingredient that does not evaporate as readi…
Acid-balanced waves
Permanent waves that have a 7 or neutral pH; because of their…
Alkaline Waves
"cold waves"; have a pH between 9.0 and 9.6, use ammonium thi…
119 terms
Milady cosmetology chapter 20
Chemical hair texture services give yo…
Without a thorough understanding of ch…
Chemical texture services
Permanent waving
Permanently change the hair's natural wave and curl pattern t…
Could damage hair, cause hair loss, and harm their clients an…
Our hair services that cause a chemical change within the hai…
Adding wave or curl to the hair.
Chemical hair texture services give yo…
Permanently change the hair's natural wave and curl pattern t…
Without a thorough understanding of ch…
Could damage hair, cause hair loss, and harm their clients an…
20 terms
Milady's Cosmetology chapter 20
Acid-Balanced Waves
Alkaline Waves
Ammonia-free waves
Ammonium Thioglycolate (ATG)
Permanent waves that are 7.o or neutral pH: because of their…
Also known as cold waves; have a pH between 9.0 and 9.6, use…
Perms that use an ingredient that does not evaporate as readi…
Active ingredient or reducing agent in alkaline permanents.
Acid-Balanced Waves
Permanent waves that are 7.o or neutral pH: because of their…
Alkaline Waves
Also known as cold waves; have a pH between 9.0 and 9.6, use…
51 terms
Milady Cosmetology Chapter 20
acid-balanced waves
alkaline waves
amino acids
ammonia-free waves
permanent waves that have a 7.0 or neutral pH; because of the…
have a pH between 9.0 and 9.6, use ammonium thioglycolate (AT…
compounds made up of carbon, oxygen, hydrogen, nitrogen and s…
Perms that use an ingredient that does not evaporate as readi…
acid-balanced waves
permanent waves that have a 7.0 or neutral pH; because of the…
alkaline waves
have a pH between 9.0 and 9.6, use ammonium thioglycolate (AT…
35 terms
Cosmetology Chapter 20 Chemical Texture Services
The chemical texture service that loos…
The layer of the hair that provides st…
The natural pH of hair is
In permanent waving, the size of the c…
curl re-formation
cortex
7
size of the rod
The chemical texture service that loos…
curl re-formation
The layer of the hair that provides st…
cortex
51 terms
Milady Cosmetology Chapter 20
Acid-balanced waves
Alkaline waves
Amino acids
Ammonia-free waves
Permanent waves that have a 7.0 or neutral pH; because of the…
Also known as cold waves; have a pH between 9.0 and 9.6, use…
Compounds made up of carbon, oxygen, hydrogen, nitrogen, and…
Perms that use an ingredient that does not evaporate as readi…
Acid-balanced waves
Permanent waves that have a 7.0 or neutral pH; because of the…
Alkaline waves
Also known as cold waves; have a pH between 9.0 and 9.6, use…
55 terms
Milady Cosmetology Chapter 20
acid-balanced waves
alkaline waves
amino acids
ammonia-free waves
permanent waves that have a 7.0 or neutral pH; because of the…
have a pH between 9.0 and 9.6, use ammonium thioglycolate (AT…
compounds made up of carbon, oxygen, hydrogen, nitrogen and s…
Perms that use an ingredient that does not evaporate as readi…
acid-balanced waves
permanent waves that have a 7.0 or neutral pH; because of the…
alkaline waves
have a pH between 9.0 and 9.6, use ammonium thioglycolate (AT…
51 terms
Cosmetology- chapter 20
Chemical texture service
Amino acids
Peptide bonds
Polypeptide chains
hair wrap on one rod from scalp to middle of strands, another…
Compounds made of carbon, oxygen, hydrogen, nitrogen and sulfur
Chemical bonds that join amino acids together end to end in l…
Long chains of amino acid joined together polypeptide bonds
Chemical texture service
hair wrap on one rod from scalp to middle of strands, another…
Amino acids
Compounds made of carbon, oxygen, hydrogen, nitrogen and sulfur
Cosmetology Study Guide Chapter 20
Chemical Texture Services
0 to 14
soften and swell the shaft
highly alkaline
the process of chemically altering the natural wave pattern o…
The range of numbers used in the PH scale is:
Chemical Hair texturizers temporarily raise the pH of the hai…
In the restructuring process, coarse, resistant hair with a s…
Chemical Texture Services
the process of chemically altering the natural wave pattern o…
0 to 14
The range of numbers used in the PH scale is:
107 terms
Milady Chapter 20 // Cosmetology
Acid-balanced waves
Alkaline Waves
Amino Acids
Ammonia-free waves
Permanent waves that have a 7 or neutral pH; because of their…
"cold waves"; have a pH between 9.0 and 9.6, use ammonium thi…
Compounds made up of carbon, oxygen, hydrogen, nitrogen, and…
Perms that use an ingredient that does not evaporate as readi…
Acid-balanced waves
Permanent waves that have a 7 or neutral pH; because of their…
Alkaline Waves
"cold waves"; have a pH between 9.0 and 9.6, use ammonium thi…
51 terms
Milady Cosmetology Chapter 20
Acid-balanced waves
Alkaline waves
Amino acids
Ammonia-free waves
Permanent waves that have a 7.0 or neutral pH; because of the…
Also known as cold waves; have a pH between 9.0 and 9.6, use…
Compounds made up of carbon, oxygen, hydrogen, nitrogen, and…
Perms that use an ingredient that does not evaporate as readi…
Acid-balanced waves
Permanent waves that have a 7.0 or neutral pH; because of the…
Alkaline waves
Also known as cold waves; have a pH between 9.0 and 9.6, use…
74 terms
Milady Cosmetology Chapter 20, Chemical Texture Services
Acid-balanced waves
Alkaline waves (cold waves)
Amino acids
Ammonia-free waves
Permanent waves that have a 7.0 or neutral pH
Also known as cold waves, have a pH between 9.0 and 9.6... Use a…
Compounds made up of carbon, oxygen, hydrogen, nitrogen, and…
Perms that use an ingredient that does not evaporate as readi…
Acid-balanced waves
Permanent waves that have a 7.0 or neutral pH
Alkaline waves (cold waves)
Also known as cold waves, have a pH between 9.0 and 9.6... Use a…
54 terms
Milady cosmetology chapter 20
Cuticle
Cortex
Strength and elasticity
Core
The tough exterior layer of the hair structure is called the
To change the natural wave pattern of hair, the side bond of…
The cortex layer of the hair structure is responsible for the…
Another term that is used to describe the medulla of the hair…
Cuticle
The tough exterior layer of the hair structure is called the
Cortex
To change the natural wave pattern of hair, the side bond of…
52 terms
Milady Cosmetology Chapter 20 Chemical Texture Services
acid-balanced waves
alkaline waves
amino acids
ammonia-free waves
Permanent waves that have a 7.0 or neutral pH; because of the…
Also known as cold waves; have a pH between 9.0 and 9.6, use…
Compounds made up of carbon, oxygen, hydrogen, nitrogen, and…
Perms that use an ingredient that does not evaporate as readi…
acid-balanced waves
Permanent waves that have a 7.0 or neutral pH; because of the…
alkaline waves
Also known as cold waves; have a pH between 9.0 and 9.6, use…
103 terms
Milady Cosmetology Chapter 20
Peptide bonds
End bonds
Polypeptide chains
Keratin proteins
Chemical bonds that join amino acids together, end to end in…
Another term for peptide bonds.
Long chains of amino acids joined together by peptide bonds.
_____________ are made of long, coiled polypeptide chains (ch…
Peptide bonds
Chemical bonds that join amino acids together, end to end in…
End bonds
Another term for peptide bonds.
43 terms
Milady Cosmetology Chapter 20
Chemical Texture Services
Permanent Waving
Relaxing
Curl Re-forming
Hair services that cause a chemical change that alters the na…
Adding wave or curl to the hair.
Removing curl, leaving the hair smooth and wave-free.
Loosening overly curly hair, such as when tight curls are tur…
Chemical Texture Services
Hair services that cause a chemical change that alters the na…
Permanent Waving
Adding wave or curl to the hair.
74 terms
Milady Cosmetology Chapter 20, Chemical Texture Services
Acid-balanced waves
Alkaline waves (cold waves)
Amino acids
Ammonia-free waves
Permanent waves that have a 7.0 or neutral pH
Also known as cold waves, have a pH between 9.0 and 9.6... Use a…
Compounds made up of carbon, oxygen, hydrogen, nitrogen, and…
Perms that use an ingredient that does not evaporate as readi…
Acid-balanced waves
Permanent waves that have a 7.0 or neutral pH
Alkaline waves (cold waves)
Also known as cold waves, have a pH between 9.0 and 9.6... Use a…
33 terms
COSMETOLOGY Chapter 20: Skin Diseases and Disorders
Acne
Albinism
Anhidrosis
Asteatosis
Skin disorder characterized by chronic inflammation of the se…
Congenital leukoderma or absence of melanin pigment of the bo…
Deficiency in perspiration, often a result of fever or certai…
Condition of dry, scaly skin due to a deficiency or absence o…
Acne
Skin disorder characterized by chronic inflammation of the se…
Albinism
Congenital leukoderma or absence of melanin pigment of the bo…
52 terms
Chapter 20(B)/Cosmetology
Chemical Hair Relaxer
Thio and Sodium Hydroxide
At the twists
Viscosity
Is a process or service that rearranges the structure of curl…
What are the two common types of chemical hair relaxers?
In extremely curly hair, the thinnest and weakest sections ar…
Is the measurement of the thickness or thinness of a liquid t…
Chemical Hair Relaxer
Is a process or service that rearranges the structure of curl…
Thio and Sodium Hydroxide
What are the two common types of chemical hair relaxers?
51 terms
Cosmetology: Chapter 20 Chemical Texture Services
acid-balanced waves
alkaline waves
amino acids
ammonia-free waves
Permanent waves that have a 7.0 or netural pH; because of the…
Also known as cold waves; have a pH between 9.0 and 9.6, use…
Compounds made up of carbon, oxygen, hydrogen, nitrogen, and…
Perms that use an ingredient that does not evaporate as readi…
acid-balanced waves
Permanent waves that have a 7.0 or netural pH; because of the…
alkaline waves
Also known as cold waves; have a pH between 9.0 and 9.6, use…
102 terms
Milady Standard Cosmetology Chapter 20
Chemical texture service
Cuticle
What is the function of the cortex in…
What is pH an abbreviation of?
Hair service that cause a chemical change within the hair's n…
Tough exterior layer of hair
It is responsible for the strength and elasticity
Potential hydrogen
Chemical texture service
Hair service that cause a chemical change within the hair's n…
Cuticle
Tough exterior layer of hair
23 terms
Milady cosmetology chapter 20 test review
normalizing lotion
curvature permanent wrap
dont shampoo
end paper
Conditioners with an acidic PH that conditions hair and resto…
Which wrapping pattern uses pie snapped base sections?
To avoid scalp irritation before application of a hydroxide r…
End wrap is another name for-
normalizing lotion
Conditioners with an acidic PH that conditions hair and resto…
curvature permanent wrap
Which wrapping pattern uses pie snapped base sections?
35 terms
Milady Standard Cosmetology Chapter 20 Chemical Texture Services
The chemical texture service that loos…
The layer of the hair that provides st…
The natural pH of hair is
In permanent waving, the size of the c…
curl re-formation
cortex
7
size of the rod
The chemical texture service that loos…
curl re-formation
The layer of the hair that provides st…
cortex
51 terms
Milady Cosmetology Chapter 20 Chemical Texture Services
acid-balanced waves
alkaline waves
amino acids
ammonia-free waves
Permanent waves that have a 7.0 or neutral pH; because of the…
Also known as cold waves; have a pH between 9.0 and 9.6, use…
Compounds made up of carbon, oxygen, hydrogen, nitrogen, and…
Perms that use an ingredient that does not evaporate as readi…
acid-balanced waves
Permanent waves that have a 7.0 or neutral pH; because of the…
alkaline waves
Also known as cold waves; have a pH between 9.0 and 9.6, use…
25 terms
milady cosmetology chapter 20 relaxers
hydroxide relaxers
chemical hair relaxing
thio relaxers
viscosity
very strong alkalis with a ph over 13.
a process that rearranges the structure of curly hair into st…
use the same ATG that is used in permeate waving but a higher…
the measurement of the thickness or thinness of a liquid that…
hydroxide relaxers
very strong alkalis with a ph over 13.
chemical hair relaxing
a process that rearranges the structure of curly hair into st…
60 terms
Milady Cosmetology Ch 20
The process that stops the action of p…
Once in the cortex, the waving solutio…
Most acid waves used in salons have a…
The main active ingredient in true aci…
...
Reduction
7.8 and 8.2
glyceryl monothioglycolate
The process that stops the action of p…
...
Once in the cortex, the waving solutio…
Reduction
48 terms
Cosmetology Vocab- Chapter 20: Chemical Texture Services
Acid-balanced waves
Alkaline waves
Amino Acids
Ammonia-free waves
Permanent waves that have a 7.0 or neutral pH; because of the…
Also known as cold waves; have a pH between 9.0 and 9.6, use…
Compounds made up of carbon oxygen, hydrogen, nitrogen, and s…
Perms that use an ingredient that does not evaporate as readi…
Acid-balanced waves
Permanent waves that have a 7.0 or neutral pH; because of the…
Alkaline waves
Also known as cold waves; have a pH between 9.0 and 9.6, use…
53 terms
Cosmetology @mbit:Mrs.Menkes 200 Chapter 20 Chemical Texturizing: Permanent Waving (2016 )
Acid- balanced wave p.604
alkaline waves p.604
amino acids p. 600
ammonia -free waves p.605
permanent waves that have a 7.0 or neutral pH; because of the…
also known as COLD WAVES they have a pH between 9.0 and 9.6 ,…
compounds made up of carbon ,oxygen ,hydrogen nitrogen and su…
perms that use an ingredient that does not evaporate as readi…
Acid- balanced wave p.604
permanent waves that have a 7.0 or neutral pH; because of the…
alkaline waves p.604
also known as COLD WAVES they have a pH between 9.0 and 9.6 ,…
Milady Cosmetology Chapter 20 Chemical Texture Services
acid-balanced waves
alkaline waves
amino acids
ammonia-free waves
Permanent waves that have a 7.0 or neutral pH; because of the…
Also known as cold waves; have a pH between 9.0 and 9.6, use…
Compounds made up of carbon, oxygen, hydrogen, nitrogen, and…
Perms that use an ingredient that does not evaporate as readi…
acid-balanced waves
Permanent waves that have a 7.0 or neutral pH; because of the…
alkaline waves
Also known as cold waves; have a pH between 9.0 and 9.6, use…
51 terms
Milady Standard Cosmetology Chapter 20: Chemical Texture Services
- Acid-balanced waves
- Alkaline waves
- Amino acids
- Ammonia-free waves
Permanent waves that have a 7.0 or neutral pH; because of the…
Also known as cold waves; have a pH between 9.0 and 9.6, use…
Compounds made up of carbon, oxygen, hydrogen, nitrogen, and…
Perms that use an ingredient that does not evaporate as readi…
- Acid-balanced waves
Permanent waves that have a 7.0 or neutral pH; because of the…
- Alkaline waves
Also known as cold waves; have a pH between 9.0 and 9.6, use…
Milady's Cosmetology chapter 20
Acid-Balanced Waves
Alkaline Waves
Ammonia-free waves
Ammonium Thioglycolate (ATG)
Permanent waves that are 7.o or neutral pH: because of their…
Also known as cold waves; have a pH between 9.0 and 9.6, use…
Perms that use an ingredient that does not evaporate as readi…
Active ingredient or reducing agent in alkaline permanents.
Acid-Balanced Waves
Permanent waves that are 7.o or neutral pH: because of their…
Alkaline Waves
Also known as cold waves; have a pH between 9.0 and 9.6, use…
27 terms
Miladay standard cosmetology chapter 20
Chemical texture services
Disulfide bonds
Salt bonds
what is hair sectioned into at the beg…
Hair services that cause a chemical change to the natural wav…
Strong Chemical side bonds formed when the sulfur atoms in tw…
Relatively weak bonds easily broken by changes in pH and refo…
Panels
Chemical texture services
Hair services that cause a chemical change to the natural wav…
Disulfide bonds
Strong Chemical side bonds formed when the sulfur atoms in tw…
57 terms
Milady Standard Cosmetology Chapter 20 Chemical Texture Services
acid-balanced wave
alkaline waves
amino acids
ammonia-free waves
Permanent waves that have a 7.0 or neutral pH; because of the…
Also known as cold waves; have a pH between 9.0 and 9.6, use…
Compounds made up of carbon, oxygen, hydrogen, nitrogen, and…
Perms that use an ingredient that does not evaporate as readi…
acid-balanced wave
Permanent waves that have a 7.0 or neutral pH; because of the…
alkaline waves
Also known as cold waves; have a pH between 9.0 and 9.6, use…
71 terms
Cosmetology @mbit:Mrs.Menkes 200 Chapter 20 , 2012 , Chemical Texturizing: Permanent Waving
fishhooks
Physical change
chemical change
bookend
End paper should extend beyond the ends of the hair to preven…
Permanent waving is a 2 step process. The first step is the _…
The second step involves the _______ ________ caused by the w…
The_________wrap uses one end paper folded over the hair ends…
fishhooks
End paper should extend beyond the ends of the hair to preven…
Physical change
Permanent waving is a 2 step process. The first step is the _…
51 terms
COSMETOLOGY Chapter 20: Skin Diseases and Disorders
Acne
Albinism
Anhidrosis
Asteatosis
Skin disorder characterized by chronic inflammation of the se…
Congenital leukoderma or absence of melanin pigment of the bo…
Deficiency in perspiration, often a result of fever or certai…
Condition of dry, scaly skin due to a deficiency or absence o…
Acne
Skin disorder characterized by chronic inflammation of the se…
Albinism
Congenital leukoderma or absence of melanin pigment of the bo…
13 terms
Milady cosmetology chapter 20 part 2
Thioglycolic acid
Ammonium thyioglycolate
Acid waves or cold waves
True acid wave
Reducing agent in perms
Active ingredient in alkaline perms (ATG)
9-9.6 ph uses ATG
True soft curl, does not soften or swell hair shaft and break…
Thioglycolic acid
Reducing agent in perms
Ammonium thyioglycolate
Active ingredient in alkaline perms (ATG)
49 terms
milady cosmetology Chapter 20: Permanent waving
Cold waves
False
True
False
Alkaline wakes are also known ass
On base placement minimize the stress and tension on the hair
Hair that has been treated with a hydrogen relaxing is until…
The single flat wrap used one end paper folded in half over t…
Cold waves
Alkaline wakes are also known ass
False
On base placement minimize the stress and tension on the hair
65 terms
Cosmetology State Board Review (CHAPTER 20)
The chemical texture service that loos…
Most alkaline permanent waves have a p…
A reduction reaction involves the addi…
The two basic types of wrapping hair a…
curl re-formation
9.0 and 9.6
oxygen
croquignole method
The chemical texture service that loos…
curl re-formation
Most alkaline permanent waves have a p…
9.0 and 9.6
12 terms
Milady Standard Cosmetology Chapter 20 Chemical Texture Services
The layer of the hair that provides st…
In permanent waving, the size of the c…
The technique of wrapping at a 90-degr…
The two basic types of wrapping hair a…
cortex
size of the rod
half off-base placement
croquignole method
The layer of the hair that provides st…
cortex
In permanent waving, the size of the c…
size of the rod
Chapter 20 Cosmetology Class (Milady)
Chemical Texture Services
Permanent Waving
Relaxing
Curl Re-forming (soft curl permanents)
Hair services that cause a chemical change within the hair's…
Adding wave or curl to the hair.
Removing curl or waves; leaving the hair smooth and straight.
Loosening over curly hair; changing tightly curly or coiled h…
Chemical Texture Services
Hair services that cause a chemical change within the hair's…
Permanent Waving
Adding wave or curl to the hair.
51 terms
Cosmetology Milady Standard chapter 20 key terms
acid-balanced waves
alkaline waves (cold waves)
amino acids
ammonia - free waves
permanent waves that have a 7.0 or neutral ph because of thei…
AKA: cold waves; have a ph between 9.0 and 9.6, use ammonium…
compound made up of carbon, oxygen,hydrogen, and nitrogen, an…
perms that use an ingredient that does not evaporate as readi…
acid-balanced waves
permanent waves that have a 7.0 or neutral ph because of thei…
alkaline waves (cold waves)
AKA: cold waves; have a ph between 9.0 and 9.6, use ammonium…
35 terms
Milady Standard Cosmetology Chapter 20 Chemical Texture Services
The chemical texture service that loos…
The layer of the hair that provides st…
The natural pH of hair is
In permanent waving, the size of the c…
curl re-formation
cortex
7
size of the rod
The chemical texture service that loos…
curl re-formation
The layer of the hair that provides st…
cortex
1 of 10