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Cosmetology Vocab

Terms

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ammonium thioglycolate acid
(atg) ph 10 relaxer weaker pre shampoo no base, could take longe
Oxidation
chemical reaction that expands molecules in a hair coloring service
Reduction
chemical reaction that reduces , permanet wave breaks disulfide bonds
Viscosity
thickness of something
Lye
synonom for sodium hydroxide
compatible
blends/works good together
Lanthionization
hydroxide relaxers remove 1 atom of sulfur from a disulfide bond, converting it into a lathionine bond by this process
Residue
something that remains after a "part" is removed
base
cream used to protect the scalp (sodium hydroxide)
Soft curl permanet wave
a 2 step perm used a thio acid 1. relax it 2. chemicals
Pliable
moveable
cortex
second layer of the hair, layer that has pigment, gives strength
amino acids
(22 amino acids in hair) kertain in hair
Peptide bonds
chemical bonds that join amino acids
Polypeptide bonds
many chains of chemical bonds
Side Bonds
cross bonds
Disulfide bonds
formed between 2 cysteine bonds (sulfur)
Salt bonds
opposite electrical charges, easily broken
Hydrogen Bonds
very weak bonds a attraction to opposite electrical charges
texture
quality of hair ( fine, medium and or coarse)
Eumelanin
the brown or black pigment in the hair
Pheomelanin
the yellow or gold pigment in the hair
Toner
color that is placed on highlighted hair
Tone
the primary color or highlight that you see in the hair
Level
how light or dark the hair is
H202
the chemical formula for hydrogen peroxide
henna
vegtable tint
activator
added to on the scalp lightner to increase the lightening speed
canities
the technical term for grey hair
melanin
the pigment in the cortex of the hair
authority
the right to control
anterior
in front of
posterier
behind
superior
above
inferior
below
anatomy
the study of the gross structure of the body
phsiology
study of the functions of the body
histology
the study of the minute stuctures
tricology
the study of the hair
consultation
a conference where advice is given

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