A
The process that stops the action of permanent wave solution and rebuilds the hair into its new form is called
What is thio neutralization
What is a hydroxide relaxer that does not require the application of a protective base?
What is No-base relaxer
What perm rods are equal in diameter along their entire length of curling area?
What are Straight rods
, often found in home haircoloring products, leave a coating on the hair that may cause uneven curls, sever discoloration, or hair breakage.
What are metallic salts
waves are perms using an ingredient that does not evaporate as readily as ammonia, so that there is very little odor associated with their use.
What are ammonia-free
The range of numbers used in the pH scale is .
What is 0 to 14
What is a very effective technique for blending between perm rods with opposite base direction using zigzag parting to divide base areas?
What is Weave technique
Which bonds are relatively week physical side bonds resulting from an attraction between negative and positive electrical charges, and are easily broken by change in pH?
What are salt bonds
is a two step process in which the hair first undergoes a physical change caused by wrapping the hair on perm rods, and then a chemical change caused by the application of permanent waving solution and neutralizer.
What is Permanent Waving
What is the most common neutralizer?
What is hydrogen peroxide
The term pH is an abbreviation used for potential , and the symbol pH represents the quantity of ions in solution.
What is Hydrogen, Hydrogen
What is another name for the double-flat wrap technique?
What is piggyback wrap
Which compounds are made up of carbon, oxygen, hydrogen, nitrogen, and sulfur?
What are Amino Acids
give you the ability to permanently change the hair's natural wave and curl pattern, thereby offering clients a variety of styling options that would not otherwise be possible.
What is CHemical texture services
Where should you start the application of the chemical relaxer, often considered the most resistant area?
What is the back of the head.
What are the most common reducing agents used in permanent waving?
What are Thioglycolic acids
What is the main active ingredient in true-acid and acid-balanced waving lotions?
What is Glyceryl monothioglygolate
Which layer of the hair is located directly beneath the cuticle layer and is responsible for the incredible strength and elasticity of human hair?
What is the cortex
is the measurement of the thickness or thinness of a liquid that affects how the fluid flows.
What is Viscosity
What chemical side bonds are formed when two sulfur-type chains are joined together?
What are disulfide bonds
What is the process of rearranging the basic structure of curly hair into a straighter or smoother form?
What is Chemical hair relaxing
Without a thorough understanding of , cosmetologist could damage hair, cause hair loss, and harm their clients and themselves.
What is chemistry
waves are permanent solutions based on sulfites, considered very weak, and are usually marketed a body waves or alternative waves.
What is low pH