Structure of Hair
what hair fiber is made of
What is keratin?
tools used to straighten hair
what is a flat iron or hair dryer?
main ingredient of chemical straightening
what is formaldehyde?
cations in heat protectants
what is making a protective layer on the hair?
October 23
what is mole day?
straight, curly, and wavy hair
what are hair patterns?
after much straightening, ____ is caused
what is damage?
action needed for the formaldehyde to smooth the hair
what is dissolved in water?
gets sealed by heat protectant
what is cuticle?
prefix for four carbons
what is but?
the way the bonds arrange themselves
what determines the pattern of hair?
bonds broken when straightening hair
what is disulfide bond?
proteins are stretched during straightening
what occurs to the proteins?
what occurs if you don't use heat protectants
what is breakage?
formula for Disulfide
what is S2?
bond in hair that is non-covalent
what is hydrogen bond?
300-400 degrees Fahrenheit
what is the temperature needed to straighten hair?
6 months
how long chemical straightening lasts
how do heat protectants make hair appear
what is shinier and healthier?
CoFe2
what is the formula for coffee?
bond that completely breaks and reforms in hair
what is a covalent disulfide bond?
part of hair reformed when hair is styled
what is cuticle?
amount of formaldehyde used
what is 12%?
how heat protectants move heat throughout straightening
what is evenly distributed?
BaNa2
what is the formula for banana?