A patch test is
A requirement pre every chemical service to see if the procedure can be safely performed.
Essential during chemical services to protect client's clothing and skin
Chemical cape
pH of an Acid-Balanced perm
7.0
Hydrogen bonds are broken when the hair is
Wet
Oily cream used to protect the skin and scalp during hair relaxing process
Protective base cream
A patch test should be performed ____ before the service
Tool that helps track the process and each step of the application
Timer
Type of perm that requires an outside heat source to activate
Endothermic
While processing, the cuticle layer does this
Expands/ swells
Perm rods that are equal in diameter along their entire length or curling area
Straight rods
What should be analyzed the day before the appointment of the chemical service on the scalp and hair?
Elasticity, porosity, and a metallic salts test
After a Relaxer service, its crucial to apply this product based on the condition of your client's hair
Conditioner
Purpose of a neutralizer
Two categories of chemical relaxers
Hydroxide and ammonium thioglycolate
Relaxers that do not require application of a protective base cream
No-Base relaxer
Why do we have to test the skin's sensitivity and perform a test strand on the day of the service?
To make sure the scalp does not have sensitivity and that the right products were chosen for the customer's hair type.
Metal clip
This type of perm should be used on course or non-porous hair
Alkaline/Cold wave
pH of Hydroxide relaxers
13
Have a pH between 4.5 and 7.0 and requires heat to process
True acid wave
The two steps for performing a metallic salts test
1: Mix one ounce of 20 volume peroxide with 20 drops of 28 percent ammonia.
2: Apply on at least 20 strands of hair and leave for 30 mins.
Tool that will cause breakage and possibly harm the scalp if used during relaxer application
Wide tooth comb
Active ingredient in Acidic perm solutions
Glyceryl monothioglycolate (GMTG)
The two-part process of all thio relaxers
Reduction and Oxidation
Process by which hydroxide relaxers permanently straighten hair; they remove a sulfur atom from a disulfide bond and convert it into a lanthionine bond