Hand Sanitizer

Discussion in 'Bath and Body Forum' started by Mobjack Bay, Mar 3, 2020.

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  1. Mar 3, 2020 #1

    Mobjack Bay

    Mobjack Bay

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    @Susie and others - can you share your thoughts on how DIY hand sanitizer works, per this thread or others I may not have located:

    https://www.soapmakingforum.com/threads/does-anyone-make-hand-sanitizer.60564/

    There is no hand sanitizer to be found in my area. I looked at the ingredient list on the container of hand sanitizer I have in my car and it’s 70% ethanol with some glycerin and a few other things. In the thread I linked above, the first recipe uses aloe vera gel and 91% isopropanol, which sounds very easy.
     
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  2. Mar 3, 2020 #2

    shunt2011

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    On the physician on the news a short while ago said to mix 30% Aloe Vera Gel and 70% Alcohol 91% They said you could also use everclear or 151 liquor.
     
  3. Mar 4, 2020 #3

    Mobjack Bay

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    I guess I’m going back to the store again tomorrow. I used up all the aloe vera gel I had in the house making soap!
     
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  4. Mar 4, 2020 #4

    cmzaha

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  5. Mar 4, 2020 #5

    dibbles

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  6. Mar 4, 2020 #6

    cmzaha

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    No, they are not the same company, although it is possible EBC is the supplier.
     
  7. Mar 4, 2020 #7

    dibbles

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    I always wondered. I've used products from both, and like them. I think EBC may supply some of the products for EBB. There are a few that are the same.
     
  8. Mar 4, 2020 #8

    SeaSuds

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    Thank you for posting this, the shelves are empty of hand gel here too:(
     
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  9. Mar 4, 2020 #9

    DeeAnna

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  10. Mar 4, 2020 #10

    atiz

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    Thank you @DeeAnna, this is super helpful.

    I'm out of aloe juice at the moment. Do you think a 1% hyaluronic acid solution would work as a second ingredient? I usually quite like its consistency and how it behaves, and I somehow happen to have a ton of it, but not sure it is friendly with alcohol.

    [Edit: took 3 tries to spell HA correctly.... oh well.]
     
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  11. Mar 4, 2020 #11

    DeeAnna

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    I don't know, @atiz. I've never worked with ... uh, yeah, however ya spell it. That stuff. ;)

    A quick google check suggests HA is highly soluble in alcohol, so it looks like it would mix up okay. I'd probably try a small test batch just to see.
     
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  12. Mar 5, 2020 #12

    cleosmom

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  13. Mar 6, 2020 #13

    Susie

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    Thank you DeeAnna and others! The only thing I have to add is that most hospital based hand sanitizers are more typically 70-80% alcohol/volume. I feel much more comfortable with that percentage than the lower 60% advocated by all the sites. It may not be absolutely necessary, but in this instance, I would feel much more comfortable with a higher percentage. But thank you all for the links for the base for the sanitizers! You can use glycerin in a pinch if need be, but it is runnier.

    Thank you for the link, Carolyn, I ordered a gallon. Hopefully before they sold out. $60 with shipping, but I can make and send some to my kids and family. Goes without saying that they are worth it.
     
    Last edited: Mar 6, 2020
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  14. Mar 6, 2020 #14

    shunt2011

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    I too ordered a gallon. Better safe than sorry. Especially since it seems to be in the beginning stages here. I'll share with friends and relatives.
     
  15. Mar 6, 2020 #15

    DeeAnna

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    I agree there's nothing wrong with going higher with the alcohol content. I think that has been shown to kill a higher % of microbes than the 60% alcohol mixtures from what I recall from the CDC info (speaking from memory here). A higher alcohol content also builds in a safety margin to allow for some evaporation.

    Safety tip -- Remember hand sanitizer is flammable! Use care in the kitchen or around sources of spark or flame.

    Chefs flambe foods using 40% ABV alcohol. As we've been discussing, sanitizer is 60% or higher.
     
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  16. Mar 6, 2020 #16

    Susie

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    Someone, please help on math as my brain is mush after the heart surgery.

    I have 91% ABV. I want 70% ABV in the hand gel. I am planning on making 16 oz to start.

    Alcohol: 70/91 x 100=76.9
    Non-alcohol: 100-77=23

    So, if I am making 500 ml, I need:

    77 x 5=385 gm 91% ABV
    23 x 5=115 gm aloe vera gel (which I found 7 unopened bottles of on the dusty soap cart)

    If this isn't correct, I blame only myself, as my brain isn't functioning at 100% anymore, and I sucked in math before that.

    ETA: If you want to do this using commercial aloe vera gel (purchased at a major retailer), the thickener will become gum on your equipment. So, I ended up with a cloudy liquid. Good for spray bottle, but not a gel by any stretch of the imagination. (Don't be like Susie)
     
    Last edited: Mar 6, 2020
  17. Mar 6, 2020 #17

    atiz

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    This seems good to me.
    (Although I tend to do the calculation backwards, but it makes no difference, just easier for me: you need 500ml of 70% alcohol, that means you want 500 x 0.7 = 350 ml total alcohol in your batch. To have 350 ml alcohol, you need (350 x 100)/91 of the 91% alcohol you have, which is about 384.6 ml.)

    Also, I hope you get better soon! Saw your post in the other thread, sorry to hear about everything.
     
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  18. Mar 6, 2020 #18

    Susie

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    Thank you! I did just round numbers up to the nearest whole number as it was too close not to. Many thanks to DeeAnna, who gives marvelous instructions that even I can follow.
     
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  19. Mar 6, 2020 #19

    cj

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    YES! HELP! This happened with my formula. Using 100% organic aloe, which is not a gel, but liquid with 91% isopropyl alcohol. When I mixed it, the aloe congealed, in an pulpy way and "hung" floating inside the alcohol in globby chunks. - any intel on how I can get it to gel and not clump up?
     
  20. Mar 6, 2020 #20

    Obsidian

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    Anyone have luck actually making sanitizer? I just tried a batch 1 cup 91% rubbing alcohol to 1/2 cup aloe gel. It wouldn't mix, had to put it in a big bottle and shake the heck out if it.
    The final product was water thin and so strong alchohol smelling, I don't think any amount of EO would cover it.
    I ended up dumping it all. Might as well put straight alchohol in a spray bottle.
     

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