Permanent waving
Permanent waving is a two step involving
Physical and chemical
If you are familiar with your client hair and scalp , there is no need to examine the scalp each time you perform a perm service. True. Or False
False
Basic perm wrap all bases all sections are ——————- with the same length and width as the perm tool and the base control is ————- base
Horizontal. Half
Chemical relaxer is the process of doing what to the structure of extremely curly hair
Rearranging hair into a straight form
What is sodium hydroxide relaxer, what is the ph, and what is the base ingredient
Alkaline relaxer with a ph 12.5 -14.0 and is a lye base
in permanent waving the size,shape and type of curl are determined by the
Size, shape and type of tool used in wrapping
How can the presence of metallic salts in the hair affect a perm
Metallic salts leave a coating on the hair that may cause uneven curls , severe discoloration, or hair breakage
How do you prepare yourself for the perm service
Wash your hands with soap and water
Why does a virgin relaxer start 1/4 to 1/2 inch away from the scalp
Because the scalp area and the porous ends will be usually process more quickly than the middle of the strand
Lithium hydroxide, potassium and guanidine relaxers what are there ph what kind are they
Ph 9.0-11.0 they are no lye relaxers
What function does wetting the hair before wrapping it in perm rods serve
Wetting the hair with water breaks the hydrogen bonds and permit the hair to be wrapped in the desired shape
Do not attempt to perm that been previously treated with hydroxide relaxers True. Or false
True
When doing a preliminary test curl how many curls should you wrap and where should they be
Wrap a tool in each different area of the head:the top, the side,and the nape
The application of a retouch relaxer starts 1/4 to 1/2 inch away from the scalp and includes
Only new growth
Name 3 types of technique for wrapping the the hair
Basic, bricklay and spiral
What type of bonds are broken in the perm process
Disulfide bonds
Name the most common end paper technique
Double wrap, bookend and single
How do you check each test curl for proper curl development
By unfastening the tool and unwinding the curl about 1 -1/2 turns of the tool
what is a normalizing (neutralizing) solution
Condition with an acid ph that condition the hair and restores the natural ph prior to shampooing
Name 3 safety guideline for Permanent wave
Patch test, metallic salts and preliminary curl test
List steps involved in testing metallic salts
One oz of 20 volume peroxide with 20drops of 28% ammonia in a bowl. Immerse at least 20 strands of hair in the solution for 30 min it metallic salts present the hair will lighten rapidly and the solution may get hot and give out an unpleasant odor
You may save opened or unused waving lotion or neutralizer for use on your next client. True. Or. False
False don’t use these lotions as they may change in strength and effectiveness
What happens if waving lotion is applied to unrolled hair during a partial perm
It may straighten it or make it difficult to style
Into how many sections should the hair be parted when applying virgin hydroxide relaxer
Four sections: from the center of the front hairline to the center of the nape, from ear to ear, leaving out around the hair
What are the ph of ammonium sulfite, bisulfite , low ph relaxer keratin base smoothing and Brazilian keratin treatment
All are ph of 6.5- 8.5