Structure of Hair
What hair fiber is made of
keratin
Tools used to straighten hair
flat iron or hair dryer
Main ingredient of chemical straightening
formaldehyde
Makes layer of ____ in hair
Cations
Mole Day Date
October 23
Different hair patterns
straight, curly, and wavy
After much straightening, ____ is caused
damage
Action needed for the formaldehyde to smooth the hair
dissolved in water
Seals ____ of the hair
cuticle
Prefix for four carbons
but-
The way the bonds arrange determine
pattern of hair
Bonds broken when straightening hair
disulfide bond
What occurs to the hair proteins
stretched out
What occurs if you don't use heat protectants
breakage
Formula for Disulfide
S2
One type of bond in hair
non-covalent hydrogen bond
Temperature needed to straighten hair
300-400 degrees Fahrenheit
How long chemical straightening lasts
6 months
Heat protectants can make hair appear...
shinier and healthier
Formula for Coffee
CoFe2
Other type of bond in hair
covalent disulfide bond
Part of hair reformed when hair is reformed
cuticle
Amount of formaldehyde used per volume
12%
Makes heat be ________ ___________ across hair
evenly distributed
Formula for Banana
BaNa2