Classified as coarse, medium, or fine
What is Hair Texture
Layers of the hair most affected by chemical texture services
What is the cuticle and cortex
Most commonly used perm rods
What is concave rods
Require the application of a base cream to the entire scalp prior to application
This solution rebuilds disulfide bonds
What is a neutralizer
Indication of the strength of the cross-bonds of the hair
What is Elasticity
Cysteine is an amine acid obtained by the reduction of what?
What is cystine
A flaw in the wrapping that typically results in the tip of the hair bending in the opposite direction of the rest of the curl
What is a fishook
The three strand tests for a chemical relaxer application
What are porosity, elasticity, and relaxer
The products used in a curl reformation
What is rearranger, booster, and neutralizer
This hair type requires a less alkaline solution to help prevent damage to the hair
What is Porous Hair
Thio relaxers have a PH above what?
What is 10
The P.H. of these waves usually falls within the range of 9.0 to 9.6
What are Alkaline Perms (Cold waves)
Never use these two relaxer products together
What are hydroxide and thio
A service used to partially straighten the hair
What is a Chemical Blowout
Like Density, this will also determine the amount of product that will be needed for chemical texture services
What is Hair Length
Process by which hydroxide relaxers permanently straighten the hair
What is lanthionization
These types of waves are the best for delicate, fragile, or color-treated hair
What is True Acid Waves
The four basic products used in chemical relaxing
What are chemical relaxers, neutralizers, protective bases, and conditioners
Texturizers and Chemical Blowouts are usually performed with what type of relaxer?
What is a Thio Relaxer
Do not proceed with the service if the hair shows signs of this
What is breakage or overporosity
What is it called when disulfide bonds break due to chemical services?
What is reduction
Perm rod lengths typically range from
What is 1 3/4in to 3 1/2 in
Most effective relaxers for extremely curly hair
What are Lye Relaxers
This will help minimize damage or breakage after a texturizing or blowout service
What is a conditioner