If that happens, just rub a bit of vinegar on your skin before washing to neutralize the pH. The borax can cause mild skin irritation for those with sensitive skin because it is very alkaline (it has a pH of 9). Basically, if you are making a Borax based slime, wash your hands after and don't eat it.
It does state that it will cause irritation if it is brought into contact with your eyes or ingested. The Boraxo MSDS sheet (what we used) gives it a 0 for health, fire, and reactivity, with no personal protection suggested. To be specific it was around 5000mg of ingestion per kg of body weight - that would be a grown adult eating 12 ounces of Borax, or a child eating 6 ounces, the equivalent of 36 teaspoons. Borax has been shown to cause fertility issues in mice when ingested in large quantities. Three of these slimes use borax to pull the slime together (to learn how, check out our science of slime post). You can take a quick skim on the ingredients and instructions for each of the types of slime to determine which type best fits your family. I’ve linked each slime type to their slime recipe below so you can easily navigate to what works best for you. We are going to learn how to make slime in four different ways. Thus if you have young hands that like to experiment by putting things in their mouths, a different slime recipe that only uses kitchen ingredients (milk, vinegar, and baking soda) would be better. Our first leprechaun slime recipe uses Borax, a detergent that some people use for laundry or dishes. This choice might be made for you depending on what kinds of ingredients you want to let your kids handle. If your kids are always inquiring why, and how, check out our science of slime post to learn why slime behaves the way it does! And now… Let’s learn how to make slime! The first step in learning how to make slime is to decide what kind of slime to make.
Patty’s day was the best time to create a Leprechaun slime recipe, one that could delight my girls and also feel a little mischevious as slime isn’t something we handle every day.
Learning how to make slime was on my 2018 science to-do list.
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