Relaxers
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.
A higher frequency of curl reversion occurs in relaxers that use which of the following active ingredients?
ammonium sulfite
What describes no-lye relaxers?
no-lye relaxers have a lower pH, they are suitable for clients who have scalp sensitivities.
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
How does thio neutralization differ from hydroxide neutralization?
The neutralization of thio relaxers involves oxidation.
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
When using relaxer products, why should the cosmetologist avoid using metal clips?
They could cause a chemical reaction when used with a relaxer.
Which item prevents direct contact between the client and the chemical cape?
neck strips
Hair that is treated with hydroxide relaxers should not be treated with _____.
thio relaxers
What practices helps ensure a safe outcome when performing chemical texture services?
Rinse the relaxer and neutralizer from the hair using warm water.
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.
How does a relaxer retouch differ from the application of a virgin relaxer?
A relaxer retouch is used only on new hair growth.
Under what conditions can a texture service be performed?
A strand analysis indicates the hair has low porosity and high elasticity.
Which hydroxide relaxer does not require the application of a protective base?
no-base relaxer
What should be discussed during the consultation for chemical relaxer
discussing risks associated with relaxers
confirming if a relaxer is the best treatment
asking what the client dislikes about the hair
When using a virgin relaxer, apply the relaxer to the __________.
midshaft first and then the ends and scalp
_____ combines the use of a thio relaxer with flat ironing.
Japanese thermal straightening
Hair that has too many broken disulfide bonds and will not hold a firm curl is considered _____.
overprocessed
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
What do the most common neutralizers contain?
hydrogen peroxide
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.
Sodium hydroxide relaxers are commonly called _____.
lye relaxers
What is the pH of a Thio Relaxer?
9-11.5
What is the pH of a Hydroxide relaxer?
11.5-14
What is the pH of a Sodium hydroxide relaxer?
12.5-14