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  #21  
Old 07.03.2020, 18:29
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Re: How to make your own hand sanitizer

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I've just been using brennalkohol from Coop. It's methanol, I believe, but it should do the trick just fine.
Methanol is toxic and will be absorbed by the skin. The toxicity can lead to systemic problems and even death over time. It’s not an adequate substitute when used as hand sanitizer.
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  #22  
Old 07.03.2020, 18:46
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Re: How to make your own hand sanitizer

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Good luck finding the alcohol.

My local pharmacy was making it's own hand sanitizer, but they have had to pause production for the moment as even they cannot get the alcohol now.

No idea about CH, but I popped over to the local Casino/Geant in France and they had dozens of 70% and 90% bottles of alcohol in the first aid shelfs.
Conversley they'd had a run on the liquid soap, but had tons of hand sanitizer.
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  #23  
Old 07.03.2020, 22:06
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Re: How to make your own hand sanitizer

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How many % alcohol is it?
Close to 100, it's very flammable

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Emphasis mine. I do hope it's not methanol. One letter makes a difference.
why would methanol not disinfect?
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  #24  
Old 07.03.2020, 22:09
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Re: How to make your own hand sanitizer

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I tried that with aloe gel and it separated out into some sort of fluffy white floaty bit and liquid. The plain alcohol works, of course, but it's a tad messy to use. Any advice on what I did wrong?
Try adding Alcohol in steps to the Aloevera gel, rather than other way around. Also, make sure the gel is as pure as you can get, lots of gels have quite a few additives.


I also read that you are trying with methanol, as someone else also pointed out, this is dangerous as methanol is poisonous. Putting it on hand and keeping it in easy reach, accidents can happen.
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Old 08.03.2020, 10:10
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Re: How to make your own hand sanitizer

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Try adding Alcohol in steps to the Aloevera gel, rather than other way around. Also, make sure the gel is as pure as you can get, lots of gels have quite a few additives.


I also read that you are trying with methanol, as someone else also pointed out, this is dangerous as methanol is poisonous. Putting it on hand and keeping it in easy reach, accidents can happen.
I'll give it another go, tho its fancypants gel that's supposed to be extremely pure.

Also, tracked down the MSDS for that brennspirit- ethanol/propanol mix.
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  #26  
Old 08.03.2020, 11:13
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Re: How to make your own hand sanitizer

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I tried that with aloe gel and it separated out into some sort of fluffy white floaty bit and liquid. The plain alcohol works, of course, but it's a tad messy to use. Any advice on what I did wrong?
Try dissolving the aloe vera gel in a little hot water before adding the alcohol. Some of the gelling agents used in aloe vera gels are not soluble in alcohol and can therefore cause such problems.
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  #27  
Old 08.03.2020, 11:36
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Re: How to make your own hand sanitizer

Possibly a daft qu but can you use Aloe vera straight from the plant instead of the bought gel?
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  #28  
Old 08.03.2020, 12:55
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Re: How to make your own hand sanitizer

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I got half a liter of 70% alcohol from my pharmacy for 12.50. Mix that with aloe vera gel and you're there. I haven't done it yet but will try it on Monday
I already had Ethanol in the house and I'm used to using that from the days of old school photography when we used ethanol or meths to clean the glass before making contact prints. I asked our local pharmacist about what to mix it with because I already had aloe vera gel from last summer, but she advised against that (because many brands have additives) and sold me glycerin instead. She said that the mix must only be a tiny amount of glycerin to the ethanol, but didn't give exact measures.

One tiny piece of advice, but with your work and how often you'll be washing your hands, I strongly advise that you put a good strength hand cream on before going to bed every night. It will be the best way of stopping your hands drying out.
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Possibly a daft qu but can you use Aloe vera straight from the plant instead of the bought gel?
Possibly but I wouldn't because you have small childen and a dog. Extracts are ok and present in many dog products, but not direct from the plant. This is because of saponin which (I believe, but please check) present in the yellow layer just underneath the surface of the leaf. Saponin is toxic to children, dogs and cats. When you see products labelled as 'Pure Aloe Vera', it's 'pure' because the saponin has been removed, not because it's come straight from the plant https://www.rover.com/blog/uk/20-mos...s-plants-dogs/
https://www.pdsa.org.uk/taking-care-...isonous-plants
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  #29  
Old 08.03.2020, 14:01
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Re: How to make your own hand sanitizer

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I already had Ethanol in the house and I'm used to using that from the days of old school photography when we used ethanol or meths to clean the glass before making contact prints...
Again do NOT use meths - meths is ethanol with a certain proportion of methanol added to make it toxic (and thus stop alcoholics drinking it as a cheap source of alcohol).. As previously stated, methanol is absorbed through the skin and will harm you.

Your sanitiser needs to be ethanol only.
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  #30  
Old 08.03.2020, 14:38
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Re: How to make your own hand sanitizer

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Again do NOT use meths - meths is ethanol with a certain proportion of methanol added to make it toxic
Wouldn't dream of it. Even back in 1981, we needed a letter of authorisation from the college to buy meths from Boots and you can no longer buy it for d.i.y. in the UK.
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  #31  
Old 08.03.2020, 14:50
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Re: How to make your own hand sanitizer

I found this for a recipe:

In a bowl, mix one-third cup aloe vera gel with two-thirds cup rubbing alcohol until blended. Use a funnel to pour it into a travel-size bottle.

Optional: Add a few drops of essential oils to make it smell better.

The woman working at the Apotheke said you have to use alcohol that is at least 70% in strength in order to make your own hand sanitizer.

I just found quite a few sellers of 70% rubbing alcohol on ebay.co.uk (surprised that can be shipped here) in case anyone has trouble finding it here in CH.

For the aloe vera gel, you can find it here (but perhaps you can find it cheaper elsewhere):

https://www.mcdrogerie.ch/naturkraft...-vera-tube-gel
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  #32  
Old 08.03.2020, 15:49
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Re: How to make your own hand sanitizer

Here the 2 recipes form the world health organization (WHO), with instructions:
https://www.who.int/gpsc/5may/Guide_...roduction.pdf:

The first one:
  • Ethanol 96% or isopropyl alcohol 99.8%: 8333 ml or 2.2 gallons of ethanol or 7515 ml or 2 gallons of isopropyl alcohol
  • Hydrogen peroxide 3%, which is used to inactivate contaminating bacterial spores in the solution and is not an active substance for hand antisepsis: 417 ml or 1.76 cups
  • Glycerol 98%, which acts as a moisturizer: 145 ml or 0.6 cups
  • Sterile distilled or boiled cold water

The second:
  • Isopropyl alcohol 99.8%
  • Hydrogen peroxide 3%
  • Glycerol 98%
  • Sterile distilled or boiled cold water
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  #33  
Old 08.03.2020, 16:24
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Re: How to make your own hand sanitizer

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Possibly but I wouldn't because you have small childen and a dog. Extracts are ok and present in many dog products, but not direct from the plant. This is because of saponin which (I believe, but please check) present in the yellow layer just underneath the surface of the leaf. Saponin is toxic to children, dogs and cats. When you see products labelled as 'Pure Aloe Vera', it's 'pure' because the saponin has been removed, not because it's come straight from the plant https://www.rover.com/blog/uk/20-mos...s-plants-dogs/
https://www.pdsa.org.uk/taking-care-...isonous-plants
Cheers but I've just looked and topical application is fine, ingestion is the issue.
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  #34  
Old 08.03.2020, 23:15
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Re: How to make your own hand sanitizer

I would carry around a piece of soap in a box and wash my hands at public fountains before worrying about making hand sanitizer at home....
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  #35  
Old 09.03.2020, 13:44
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Re: How to make your own hand sanitizer

recipe is irrelevant at this stage- went to 2 Hypermarkets, 2 chemists, and 2 parapharmacies in local France, no gel and no aloe vera either. At HyperU she said they would have some again at the end of March.

Plenty of loo paper though.
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  #36  
Old 09.03.2020, 16:06
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Re: How to make your own hand sanitizer

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recipe is irrelevant at this stage- went to 2 Hypermarkets, 2 chemists, and 2 parapharmacies in local France, no gel and no aloe vera either. At HyperU she said they would have some again at the end of March.

Plenty of loo paper though.
All of those only sell the alcohol that is pure and clean to be used in consumables… unless you plan to drink the sanitizer would ethanol sold in DIY shops (in the paint section) be totally ok.
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  #37  
Old 09.03.2020, 17:54
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Re: How to make your own hand sanitizer

my post was about Aloe Vera Gel and hand gel - getting alcohol here is easy peasy

Last edited by Odile; 09.03.2020 at 18:29.
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  #38  
Old 09.03.2020, 20:02
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Re: How to make your own hand sanitizer

I was in a supermarket in Scotland on Saturday night, the shelves were bereft of very large packs of toilet paper and Smirnoff vodka. I did wonder if people were putting Smirnoff on their botties, but I prefer vodka with ice, tonic and lemon
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  #39  
Old 09.03.2020, 20:17
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Re: How to make your own hand sanitizer

Add some lemon and a splash of tonic.

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I got half a liter of 70% alcohol from my pharmacy for 12.50. Mix that with aloe vera gel and you're there. I haven't done it yet but will try it on Monday
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