How to make your own homemade hand sanitizer

The active ingredient in this hand sanitizer recipe is the alcohol, which needs to comprise at least 60% of the product in order to be an effective disinfectant. The recipe calls for 99% isopropyl alcohol (rubbing alcohol) or ethanol (grain alcohol, most commonly available at 90%-95%).

*Please don’t use any other types of alcohol (e.g., methanol, butanol), as they are toxic. Also, if you use a product that contains a lower percentage of alcohol (e.g., 70% alcohol) then you need to increase the amount of alcohol in the recipe or it won’t be as effective.

As you’re already aware, bottles of hand sanitizer have sold out quickly during this public crisis.

But don’t worry—making your own hand sanitizer is remarkably easy. You just have to be careful you don’t mess it up. Make sure that the tools you use for mixing are properly sanitized; otherwise you could contaminate the whole thing. Also, the World Health Organization recommends letting your concoction sit for a minimum of 72 hours after you’re done. That way the sanitizer has time to kill any bacteria that might have been introduced during the mixing process.

Potency Matters!

You’re going to need some alcohol. According to the Centers for Disease Control and Prevention, your sanitizer mix must be at least 60 percent alcohol to be effective. But it’s better to get way above that. A bottle of 99 percent isopropyl alcohol is the best thing to use. Your regular vodka and whiskey won’t cut it.

The Quick (Gel) Recipe

Mix 3 parts isopropyl alcohol to 1 part aloe vera gel. Add a few drops of tea tree oil to give it a pleasant scent and to align your chakras.

The Better (Spray) Recipe

The aloe mixture gets the job done, but aloe also leaves your skin annoyingly sticky. So, here’s a recipe that’s less sticky and more potent, based on the mix recommended by the WHO.

Mix 1 ⅔ cups alcohol with 2 teaspoons of glycerol. You can buy jugs of glycerol online, and it’s an important ingredient because it keeps the alcohol from drying out your hands. If you can’t find glycerol, proceed with the rest of the recipe anyway and just remember to moisturize your hands after applying the sanitizer.

Mix in 1 tablespoon of hydrogen peroxide, then another ¼ cup of distilled or boiled (then cooled) water. (If you’re working with a lower-concentration solution of rubbing alcohol, use far less water; remember, at least ⅔ of your final mixture has to be alcohol.)

Load the solution into spray bottles—this isn’t a gel, it’s a spray. You can wet a paper towel with it as well and use that as a wipe.

If you must, you can add in a splash of essential oil to your concoction to make it smell nice. Just don’t use lavender. Everyone else uses lavender, and your sanitizer is superior.

Updated March 13: We swapped some links to the ingredients since they are sold out or overpriced in some stores. Also added clarification that the boiled water should be cooled before mixing.

*Note: To reiterate, nothing beats washing your hands. Hand sanitizer—even the real, professionally made stuff—should always be a last resort.

Credit: The Wired

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