Chemical Texture Service
What are some chemical texture services?
Curl reformation, and relaxers
hair analysis includes observing and determining the hairs
porosity, texture, elasticity, density, length, direction of hair growth
What are the 3 hair textures?
Coarse, Medium, Fine
What are the 3 layers of hair shaft?
Medulla, Cuticle, Cortex
The main active ingredient or reducing agent in alkaline perms is_______.
Ammonium Thioglycolate (ATG)
What is also known as Chemical Waving?
Chemical Texture services
The scalp should examine for:
cuts, abrasions or scratches, open sores, scalp disease
What describes the diameter of a single strand of hair?
Hair Texture
What are the types of side bonds?
Hydrogen Bonds, Salt Bonds, Disulfide Bonds
The Ph of Alkaline waving lotion generally falls within the range of
9.0 to 9.6 depending on the amount of ammonia
What process is used to chemically restructure natural hair into a different wave pattern?
Permanents, or chemical waving
________ hair has a tight, compact cuticle layer that resist penetration of chemical solutions.
Resistant
Normal elasticity is indicated by wet hair that can stretch up to ___ percent of its original length and then return to that length without breaking.
50
The size of the rod determines what?
The size of the curl
What stops the action of permanent wave solutions and rebuild disulfide bonds broken during processing?
Neutralization
What is also known as Soft curl perm?
Curl reformation
The processing time for chemical texturizing service depends more on _________ than on any other factor.
Hair Porosity
What measures numbers of hairs per square inch and indicate how thick or thin hair is?
Hair Density
End wraps should extend beyond ends of the hair to prevent ________.
Fishhooks
Two Most Common types of relaxers are
Thio and Hydroxide relaxers
What process rearranges the basic structure of overly curly hair into a straighter hair form?
Chemical hair relaxing
If the hair shows signs of breakage or over porosity what should you do?
Do NOT proceed with the service
_______ creates hair streams, whorls, and cowlicks
Hair growth pattern
Chemical Texture services involve 2 principle actions:
Physical & Chemical
What is known as a lye relaxer and is the oldest most commonly used chemical relaxer?
Sodium Hydroxide Relaxer