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Electrolysis and Laser > Modalities > Flashcards

Modalities Flashcards

(96 cards)

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1
Q

when removing deep terminal hairs with the blend method, how many units of lye do you need?

A

80 units

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2
Q

what is the purpose of the negative pole in anaphoresis during electrolysis?

A

irritate skin and produce lye

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3
Q

in blend, what shape does the lye appear in?

A

vase

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4
Q

in thermolysis heat appears as…

A

tear drop or pear

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5
Q

which pole:
firms skin, soothes skin, reduces redness, and neutralizes pH

A

cataphoresis

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6
Q

what is the part of the hair above the dermis called?

A

shaft

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7
Q

what is the indentation of the epidermis into dermis

A

follicle

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8
Q

majority of hair grows in what direction?

A

45 degrees

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9
Q

what kind of hair has a flat follicle

A

kinky hair

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10
Q

what kind of hair has an oval follicle

A

wavy hair

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11
Q

what kind of hair has a round follicle?

A

straight hair

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12
Q

what is the manner in which electricity is used for therapy?

A

modality

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13
Q

what becomes heated by high frequency?

A

moisture in skin tissue

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14
Q

according to faraday’s law, the most destructive area in electrolysis is…

A

closest to probe

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15
Q

what is the use of the negative pole

A

anaphoresis

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16
Q

what is the use of the positive pole

A

cataphoresis

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17
Q

which pole:
irritates skin
promotes redness
softens/relaxes
annoys skin
opens pores

A

anaphoresis

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18
Q

galvanic electrolysis is hair removal by…

A

chemical decomposition, chemical means

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19
Q

thermolysis is hair removal by…

A

electrocoagulation, heat (electrodessication)

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20
Q

what is the process that causes cells to congeal/thicken and makes cells dysfunctional

A

electrocoagulation

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21
Q

what is electrodessication

A

dry up/deprive moisture

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22
Q

how does the blend destroy tissue?

A

chemical electrocoagulation, chemical electrodessication

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23
Q

when and who invented the blend

A

1938 by arthur hinkel, henry st. pierre

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24
Q

what sound does the blend blowout make?

A

silent

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25
where is the hottest spot when applying thermolysis
tip of the needle
26
what does cataphoresis produce in the skin?
alkali
27
which needles can be used in all 3 modalities?
standard cylindrical
28
AC to DC required for galvanic electrolysis by means of...
a rectifier, filter circuit
29
what is sodium hydroxide also known as?
lye
30
what does caustic mean?
able to corrode organic tissue by chemical means
31
does lye remain in the follicle or leave?
remains
32
where is lye formed along?
full length of needle
33
the greatest concentration of high frequency energy is located where?
tip of needle, point effect
34
where is
35
when is steam produced in a blowout?
after
36
how can you prevent high frequency blowouts?
reducing intensities and duration
37
in galvanic, lye appears in what shape?
column
38
removing hair by chemical decomposition is done through which modality?
galvanic electrolysis
39
what was the original modality for hair removal?
galvanic electrolysis
40
what current is utilized by galvanic?
direct current
41
in 1875 who created the profession of electrolysis?
dr. charles michel
42
whats another name for galvanic?
true electrolysis, direct current
43
where is the most destructive area?
closest from probe/needle
44
in 1932, who first performed thermolysis as a form of hair removal in france?
Dr. bordier
45
process of changing chemicals from one kind to another by electrical current is...
galvanic
46
what is thermolysis?
killing hair using heat
47
first scientist to demo the existence of high frequency waves was?
heinrich hertz
48
who observed organic tissue could be heated by high frequency?
van zeynek
49
which modality was invented in 1938 by arthur hinkel and henry st pierre
the blend
50
what modality utilizes heated lye?
blend
51
which modality destroys tissue with chemical electrocoagulation (congeal) or chemical electrodessication (dry up)
the blend
52
what does electrodessication mean?
to dry up
53
what is electrocoagulation?
congealing
54
what heats needle in thermolysis?
the moisture in the skin
55
what causes blowout?
intensity is to high and skins moisture boils producing steam
56
what are the characteristics of cylindrical insulated probes?
popular standard, two piece, works best w thermolysis
57
what is the characteristics of bulbous insulated probes?
creates greatest amount of lye at their tip , effective with galvanic
58
what are the characteristics of cylindrical no insulated probes?
preferred with galvanic current, evenly distribute lye throughout the hair shaft
59
in direct galvanic electrolysis which direction do electrons flow in?
negative to positive (goes into hair follicle, through body, to positive current
60
in the blend both galvanic and thermolysis high frequency alternating currents are...
passed down same needle at same time
61
which electrode produces hydrochloric acid?
positive, anode
62
what is the lye gradient?
the concentration of lye produced in the follicle
63
what is the critical zone?
an area that belongs to the needle within zone where all tissue is 100% destroyed, outside zone tissue is damaged but may still survive
64
what shape does energy flow in during galvanic?
column
65
what is the current density?
the amount of electrons that flow inside surrounding tissue
66
what affects current density?
needle thickness, intensity, depth
67
how is intensity effected by depth of insertion?
shallow insertion = greater density
68
what is current intensity ?
strength of current flowing from probe to surrounding tissue
69
what is the current duration?
the length of time current flows from probe to surrounding tissue
70
what is current density?
amount of electron that flows into surrounding tissue
71
how does large probe size effect intensity?
makes it more intense
72
what happens if you use stainless steal probe with positive pole?
black oxide marks
73
what happens if you don't decrease intensity with probe size?
blowouts
74
what is the mixture of galvanic and thermolysis?
the blend
75
how does the blend destroy the hair?
chemical coagulation or chemical electrodessication
76
what is a sinusoidal current?
alternating current
77
what is a oscillator?
changes DC to AC
78
who was heinrich hertz?
1st scientist to demonstrate the existence of high frequency waves
79
what is the F.C.C.'s recommended frequency for epilators?
13.56mhz
80
what is the pattern of destruction?
tear drop, closest to tip of needle
81
what is nikolski's sign?
separation of epidermis and dermis
82
what is the working point?
based on the clients pain threshold or skin's tolerance level
83
what is pulsing?
process in which same current is applied to same follicle or in 2 or more intervals in one burst. benefit of thermolysis
84
what kind of hair is thermolysis less effective on?
thick, coarser hair will need more tx
85
what modality can treat vellus hair?
thermolysis
86
what happens after a high frequency blowout?
distorted follicle
87
what causes erythema and itchiness in electrolysis?
hydrochloric acid
88
how many units of lye is needed for vellus hair?
15 units
89
what hair stage is most effective for electrolysis?
late anagen, anagen-6
90
what shape does wavy hair distort into?
s shaped
91
what shape does curly-wavy hair distort into?
u shaped
92
what shape does the curly hair follicle distort into?
j shaped
93
what shape does kinky hair distort into ?
corkscrew
94
what is the best stage to treat curly hair in?
early anagen
95
what is the best stage to effectively treat curly hair?
late anagen
96
what converts AC to DC
rectifier

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