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Hydroxide relaxers permanently straighten hair by removing one of the bonded sulfur atoms in a disulfide bond. What is the name of this process?
lanthionization
Which hydroxide relaxer does not require the application of a protective base?
no-base relaxer
All of the following occur during the consultation for chemical relaxer EXCEPT:
performing a metallic salts test
Which item prevents direct contact between the client and the chemical cape?
neck strips
Sodium hydroxide relaxers are commonly called _____.
lye relaxers
A client wants to straighten coarse hair. The client mentions that their hair often seems frizzy and is concerned that if their hair loses all its curl it might look even frizzier. The client also seems hesitant to make a permanent change. Which service should the cosmetologist recommend?
keratin treatment
How do chemical hair relaxers work?
They increase the hair's pH balance to an alkaline state, which raises the cuticle layer and allows the relaxer to reach the cortex, where restructuring takes place.
Which statement describes no-lye relaxers?
Because no-lye relaxers have a lower pH, they are suitable for clients who have scalp sensitivities.
Prior to conducting a consultation for chemical relaxer services, which document should clients fill out and cosmetologists review so they can discuss any items of note?
client intake form
A client who is considering a chemical relaxer service frequently consumes highly caffeinated beverages. Why does this matter?
Caffeine increases blood circulation, which can lead to faster irritation caused by the use of chemical relaxers.
All of the following are reasons to study chemical texture services EXCEPT:
Salons require cosmetologists who perform haircolor services to also perform texture services as a condition of employment.
Under which of the following conditions can a texture service be performed?
A strand analysis indicates the hair has low porosity and high elasticity.
Hair that is treated with hydroxide relaxers should not be treated with _____.
thio relaxers
_____ combines the use of a thio relaxer with flat ironing.
Japanese thermal straightening
What might be the result if the hair is oversaturated with a highly alkaline solution?
The hair may not hold the desired curl.
A higher frequency of curl reversion occurs in relaxers that use which of the following active ingredients?
ammonium sulfite
When using relaxer products, why should the cosmetologist avoid using metal clips?
When using relaxer products, why should the cosmetologist avoid using metal clips?
How does a relaxer retouch differ from the application of a virgin relaxer?
A relaxer retouch is used only on new hair growth.
Which of the following practices helps ensure a safe outcome when performing chemical texture services?
Rinse the relaxer and neutralizer from the hair using warm water.
Guanidine hydroxide is an example of a __________.
no-lye relaxer
How does thio neutralization differ from hydroxide neutralization?
The neutralization of thio relaxers involves oxidation.
Which of the following conditions would be cause for a cosmetologist to decline relaxer services?
The client has a pins-and-needles sensation on the scalp, and the hair is thinning.
When using a virgin relaxer, apply the relaxer to the _______.
midshaft first and then the ends and scalp
A hair analysis indicates the client has non-porous hair. Which perm type should the cosmetologist recommend?
alkaline/cold wave
The main ingredient of acid waves is _________.
glyceryl monothioglycolate (GMTG)