Author Topic: Electrolysis Model  (Read 1557 times)

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Offline Dayta

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Electrolysis Model
« on: May 02, 2017, 07:45:42 am »
We were talking about face-clearing electrolysis the other day, and I likened it to paying off a mortgage, in that the sessions in the beginning don't seem to be making much difference, while the latter sessions really start to obviously reduce the number of visible hairs.  It struck me that it should be possible to create a mathematical model of the process, incorporating number of hairs removed in a typical session, rate of success on a particular hair, frequency of sessions, rate of regrowth, etc... 

With some customization given individual's actual or perceived rates and provider's efficiency, it ought too be possible to develop optimal strategies for frequency and number of sessions required to get one's face cleared via electrolysis.  It seems that this ought to give better predictions than empirically-determined "ballpark" estimates that we toss about.  I'm curious if anyone has tried this? 

Erin





Offline ainsley

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Re: Electrolysis Model
« Reply #1 on: May 02, 2017, 08:59:11 am »
For a cost model:
So, my electrologist told me she can do 8-12 hairs per minute.  I think she does more, based on my experience with her, but that is a good basis.  She is currently $88 and hour.   $1.47 per minute, or per every 8-12 hairs.  So, let's make it round and say 10 hairs for $1.47, or nearly 0.15¢ per hair.  Now, we need to know the number of hairs, then calculate the number of hairs in the other two stages of growth for future successive clearings.  And we need a variable to address the failed killings because, well, no one is perfect and kills every hair with 100% efficiency.
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JeanetteLW

Re: Electrolysis Model
« Reply #2 on: May 02, 2017, 10:56:51 am »
  Hey you two!  I'm already apprehensive about making an appointment to start my face removal. With all the discussions of pain involved and dangers of pain relief it's bad enough. Now you want me to think about the cost per hair the amortization of hairs over time? I'm sure the huge cost involved could cause me to take out a mortgage to pay for it and I don't even own a house.
    Maybe I'll just keep shaving...

  Thanks a lot, LOL
   Laurie
« Last Edit: May 03, 2017, 02:10:57 am by JeanetteLW »

Offline zirconia

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Re: Electrolysis Model
« Reply #3 on: May 03, 2017, 01:34:38 am »
Hi, Dayta

Your suggestion sounded interesting so I made a very crude spreadsheet that allows for various hair densities, operator timings and such. Unfortunately it looks like I can't attach or upload it, and would have to put it on some other server to  include a screenshot.

If you're interested, I've attached a text-format version of one possible scenario below.

Area   300   cm2                              
Density   30   hairs /cm2                              
Active   9000   hairs                              
Active %   70%                                 
Dormant %   30%                                 
Dormant   2700   hairs                              
Grand total   11700   hairs                              
Hair cycle   180   days                              
                                    
Operator speed   5   per minute                              
Miss rate   5%                                 
Rate   100   /hour               

SessionInterval (days)Time (minutes)New activeNew dormantStart activeStart totalTreatedMissedEnd activeEnd dormantEnd totalCost
1012000900011700600308400273011130200
2712010698840811130600307808275210560200
371201079178241056060030722427669990200
47120108847247999060030664727739420200
57120108786678942060030607827728850200
67120108716115885060030551527658280200
77120108645558828060030495827527710200
87120107585007771060030440727337140200
97120106514462714060030386227086570200
107120105453922657060030332226786000200
117120104393387600060030278726435430200
127120103332858543060030225826024860200
137120101262333486060030173325574290200
14712099201812429060030121225083720200
1571209814129537206003069524553150200
16712095878331506003018323972580200
17601207991896325806003036316472010200
18601205493687620106003027611641440200
19601203882863614406003036834870200
20606027843118703001511574585100
216030191120158515085139144350
226030130517644315082627430050
23903013741593001508914815850
241202099210615810056566233.33
251501047252625032131516.67
26180313015151510115
Total days1005         Total cost4105
Total years2.75           

If you want to make your own spreadsheet, here are the values and formulas:


Area: Area to be cleared in cm2
Density:   Hairs per cm2
Active: Hairs counted in one cm2 area x total area to be cleared
Active %: Percentage of hairs in the active phase
Dormant %: 1-active %
Dormant: Active * dormant %
Grand total: Active + dormant
Hair cycle: Your hair cycle

For the first row the interval, new active and new dormant fields are 0. The start total is the grand total.

Time is the session time in minutes.
New active is dormant hairs at the end of the previous session x days since last session / hair cycle.
New dormant is active hairs at the end of the previous session x days since last session / hair cycle x dormant %.
Start active is active hairs at the end of the previous session + new active - new dormant
Start total is the total hairs at the end of the previous session
Treated is session time x operator speed
Missed is treated x miss rate
End active is start active - (treated - missed)
End dormant is dormant at end of previous session - new active + new dormant + missed
End total is end active + end dormant
Cost is rate * session time / 60
Total days is a total of the intervals between sessions
Total years is total days / 365

I hope this is of some help...

Offline AnonyMs

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Re: Electrolysis Model
« Reply #4 on: May 03, 2017, 01:48:27 am »
There's the cost in terms of pain, and how much you can deal with at a time. Plus the intensity of the machine vs the risk of skin damage.

I suspect by the time you've modeled it well you'll be half way though your electrolysis, and won't have anyone else to compare it to anyway.

Offline Helen_Grandeis

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Re: Electrolysis Model
« Reply #5 on: May 03, 2017, 07:24:10 pm »
I highly recommend Irina Cardos and Precision Hair Removal.  They offer pain managed , large volume electrolysis in Willimet, IL administered by Dr Zukowski.


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Offline Miss Clara

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Re: Electrolysis Model
« Reply #6 on: May 03, 2017, 08:14:25 pm »
Irina Cardos is my electrologist.  She's very good.

An important factor to consider is modality.  Flash thermolysis is widely used today.  It's not electrolysis at all because it uses high frequency RF to heat and kill the follicle, not galvanic action (if you are not holding an electrode in your hand, you are undergoing thermolysis).  It's the fastest way to treat a follicle (30 to 40 a minute), but the kill rate is reduced depending on the power level applied.  Blend modality combines galvanic electrolysis with thermolysis.  The RF heats up the lye created by electrolysis to hasten its effect.  Kill rates are higher, but it takes typically 12 seconds per follicle, so on a new client the cost of using blend is usually prohibitive.

Irina Cardos used flash thermolysis on me in the beginning, but switched to blend as my beard thinned out.  Thermolysis is potentially dangerous because it can cause scarring if the practitioner is not well versed and careful.  Blend is very safe and almost never causes dermal cell damage which is why I prefer it over flash when feasible.  I have some signs of scarring from thermolysis (from a different electrologist), as do many trans women I've seen (look closely at Caitlyn Jenner's chin area).  Contrary to what I've been told, CO2 laser skin resurfacing doesn't clear scarring from electrolysis because the scarring is quite deep down as compared to acne scarring.

I might also add that facial hair removal is a misnomer from my experience.  My face is not clear of hair after 225 hours of thermolysis/blend electrolysis.  It's been 7 months since my last treatment, and what I have is a fair amount of tiny, shallow rooted, colorless hairs not unlike the hair on a woman's face.  It's much like peach fuzz.  It's invisible.  Some of those hairs still want to grow out in length, so I should go back and have then treated again, and will when I get back to Chicago.  It's easy, however, to run an epilator over my face once in a while to extract these longer hairs. 

If the cost of electrolysis is a problem, epilation works quite well once your facial hair has been thinned out well by laser or electrolysis.  If plucking a hair is not painful, epilating will not be painful either.

Offline zirconia

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Re: Electrolysis Model
« Reply #7 on: May 04, 2017, 05:03:15 am »
I just realized that not everyone understands centimeters. If not, just choose any arbitrary unit (e.g. 1"^2, 1/2"^2, 1/4"^2 or 1/8"^2 and use that to calculate the area to be treated and hair density. Once you derive the total hair count all calculations work the same regardless of what unit you used.

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