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Researchthe variousperm productsused in your school.Makea chart
of the productslistingname,pH, key ingredients,
and hairtype for
whichthevare recommended.
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20 Chemical Texture Services
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Matcheach of the followingessentialtermswith its identifyingphrase
or definition.
Goarse texture
1. Resultof overprocessing
Cortex
2. Processesmorequicklythan
othertextures
Cuticle
3. Usuallyrequiresmore processingthan
othertextures
Good porosity
4. Normalhair
Fine texture
5. Resistanthair
Medium texture
6. Innermost
sectionof the hair
Medulla
7. Generally
no problemsprocessing
Overporous
L Outercoveringof the hair
Poor porosity
9. Majorcomponentof the hairstructure
Underprocessing 10. Sulfitepermanent
Plastic cap
11. One end paperfoldedover hairstrand
Elasticity
12. Hairendswoundfrom ends
towardscalp
Density
13. The numberof hairsper squareinch
(2.5squarecm)
Body wave
14. The abilityof the hairto stretchand
contract
Wavinglotion
15. Porouspapersusedto cover hairends
Bookend
16. Heatis createdchemicallv
within
the product
Exothermic
17. Fitsoverthe wrappedrods
Croquignole
18. Aminoacidsare bondedtogetherand
form these
End papers
19. Causedby insufficientprocessingtime
Polypeptides
20. A liquidthat softensand swellsthe harr
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Chapter
20 Chemical Texture Services
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Researcha varietyof relaxerproductsavailablein your schooland
foundat localsupplystores.Usethe chartbelowto trackyourfindings.
Product
Name
So d i um
or Thio?
What ls
rne
Percentage
of Sodium What Is
Hydroxide? the pH ?
For What
HairType
l s the
Product
Used?
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Listthe productsused in sodiumhydroxiderelaxers.
ln your own words,explainthe actionof hydroxiderelaxerson the hair.
Whatis the commoningredient
in a thio-typerelaxerand permanent
wavingsolution?
Explainthe actionof this commoninoredient.
Whatis the purposeof the neutralizer
in thio relaxingtreatments?
In your own words,explainthe differencebetweenbase and no-base
formulas,and the purposeof usinga baseproduct.
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After determiningthe correctword from the cluesprovided,locatethe
words in the word searchouzzle.
Word
Clue
Permtype havinga pH between7.8 and 8.2
Permtype havinga pH between9.0 and 9.6
Oilycreamusedto protectthe skinand scalp
duringhairrelaxing
Permwrap in whichone end paperis foldedin
halfoverhairends
Rod havinga smallercircumference
in center
than on ends
Hairstrandsare wrappedfromendsto scalp
Partingsand basesradiatethroughoutthe
panelsto followthe curvatureof the head
Sidebondsbetweenthe polypeptide
chainsin
the cortex
Wavesactivatedby an outsideheatsource
Relatively
weakphysicalside bondsresulting
from an attractionbetweenoppositeelectrical
charges
Processby whlch hydroxiderelaxers
permanently
straightenhair
Processof stoppingthe actionof the permanent
wavesolutionand hardening
hairin newform
Also calledend bonds
Relaxerhavinga pH above10 and a higher
concentration
of ammoniumthioglycolate
Wrappingtechniquethat useszigzagparlingsto
dividebaseareas
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