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#50924 - 04/12/08 12:11 AM Re: homemade tendskin alternative? [Re: J M]
banish Offline
Member

Registered: 04/12/08
Posts: 7
Originally Posted By: J M
It is all in the patent (#6703009). In the most preferred solution,
Isopropyl Alcohol 70%
Water (Reverse Osmosis) (just use 70% alcohol from the drug store)
Propylene Glycol 10% by volume
Acetylsalicylic Acid 15% by weight
Glycerin 2% by volume
Cyclomethicone (obviously less than 2%)

However this does not match the ordering of ingredients in the product. It is more likely, Tendskin used the "more preferred" solution, possibly due to the cost of Acetylsalicylic Acid, or the problems keeping it dissolved it that high concentration:
Isopropyl Alcohol 70%
Water (Reverse Osmosis) (just use 70% alcohol from the drug store)
Propylene Glycol 10-15% by volume
Acetylsalicylic Acid 10% by weight
Glycerin 4-5% by volume
Cyclomethicone (obviously less than 4%)

by the way, this is a really high concentration of Acetylsalicylic Acid. it would take about 150 extra strength (325mg) aspirin for this concentration. Just buy it in crystalline form from http://www.sigmaaldrich.com/
Hi, could you make a recipe by any chance for this?? thanks

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#53164 - 06/19/08 07:12 AM Re: homemade tendskin alternative? [Re: banish]
imshaggy2000 Offline
Member

Registered: 06/19/08
Posts: 2
If you wanted to make a big bottle (16oz) of home made (most preferred) tend skin you would need

12oz of 70% isopropyl alcohol
60g of acetylslicylic acid
40g of glycol
8g of glycerin
4-8g of cyclomethicone

these are approximate figures.

if you bought 500g of acetylslicylic acid you could just about make 9 large bottles at a cost of around $50. (that would cost $450 if you bought it from tend skin)

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#53165 - 06/19/08 07:16 AM Re: homemade tendskin alternative? [Re: imshaggy2000]
imshaggy2000 Offline
Member

Registered: 06/19/08
Posts: 2
ps these are not concentrations that can be achieved by using over the counter aspirin. you would need around 180 asprin... they are mostly binders which will not all dissolve in your 12 oz of alcohol

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#53206 - 06/20/08 07:10 AM Re: homemade tendskin alternative? [Re: imshaggy2000]
James W. Walker VII Offline

Top 10 Contributor

Registered: 06/03/02
Posts: 8027
Loc: Buffalo NY, & Traveling the US...
I seem to recall that when using aspirin tablets, the instructions were to put as many as 200 tablets in the alcohol, let them dissolve, and then pour off the top liquid carefully, so as to not disturb the filler materials that would have settled to the bottom of the mixture.
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#54391 - 07/30/08 02:41 AM Re: homemade tendskin alternative? [Re: James W. Walker VII]
shenzee Offline
Contributor

Registered: 07/18/08
Posts: 12
This is great thread. Sure is helpful.. thanx.. smile
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#62322 - 05/07/09 06:50 PM Re: homemade tendskin alternative? [Re: James W. Walker VII]
EmberCeleste Offline
Member

Registered: 05/07/09
Posts: 1
I have a question about the Acetylsalicylic Acid. I've been looking on the chemistry supply stores and just don't want to spend $40+ on it.

I did a search for "aspirin powder" and found a bunch of powdered aspirin at vet stores. It's sold in 1lb packages for about $10. My question is whether or not this powdered aspirin has fillers or if it is pure. The description sure makes it sound pure, in which case this could save a bunch of $$. Thx in advance for any assistance. smile

http://www.jeffersequine.com/ssc/product.asp?CID=1&pf_id=16542

http://www.valleyvet.com/ct_detail.html?pgguid=2e87c44e-7b6a-11d5-a192-00b0d0204ae5


Edited by EmberCeleste (05/07/09 06:54 PM)

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#62323 - 05/07/09 07:10 PM Re: homemade tendskin alternative? [Re: EmberCeleste]
TommyW Offline
Major Contributor

Registered: 07/28/08
Posts: 87
Loc: Wilmington, OH - USA
I just drop 18 of CVS uncoated aspirin (tablets) with 70% alcohol and 8 of them with witch hazel and mix them together.

Then I just shake them until they are dissolved. I donít mess the powder.

And it works GREAT for me!

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#63915 - 07/08/09 01:53 AM Re: homemade tendskin alternative? [Re: EmberCeleste]
J M Offline
Contributor

Registered: 06/10/04
Posts: 35
Originally Posted By: EmberCeleste
I have a question about the Acetylsalicylic Acid. I've been looking on the chemistry supply stores and just don't want to spend $40+ on it.

I did a search for "aspirin powder" and found a bunch of powdered aspirin at vet stores. It's sold in 1lb packages for about $10. My question is whether or not this powdered aspirin has fillers or if it is pure. The description sure makes it sound pure, in which case this could save a bunch of $$. Thx in advance for any assistance. smile

http://www.jeffersequine.com/ssc/product.asp?CID=1&pf_id=16542

http://www.valleyvet.com/ct_detail.html?pgguid=2e87c44e-7b6a-11d5-a192-00b0d0204ae5


This stuff looks like it is the real deal at drug grades. go ahead and use it.

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#65147 - 08/21/09 01:24 AM Re: homemade tendskin alternative? [Re: J M]
Dolphinz Offline
Major Contributor

Registered: 08/21/09
Posts: 53
I just pack a 3oz or 100ml bottle of witch hazel with around 18 aspirin and let them dissolve they stop when the solution is saturated I believe witch hazel is up to 70% ethanol(alcahol) anyway so I just skip the alcahol as I find it too drying and add around 1 teaspoon glycerine.
Works great as a liquid exfoliant on the whole body.
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Probably 700 hours or more over 18 months DIY electrolysis
Read nearly every post on the DIY section before begining
3/4 arms backs of arms shoulders chest neck some people watch TV I ZAP hairs nearly finished


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#66196 - 09/23/09 05:24 PM Re: homemade tendskin alternative? [Re: TommyW]
Adam Dean Offline
Member

Registered: 09/23/09
Posts: 1

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