The dazzling circular image is a hyperbolic tiling of a polarized photo of a citric acid crystal. “When you’re a scientist, you’re trying to really convey information with your images, and ...

But, there are some places around the house where citric acid should never be used. Due to it's abrasive nature, using it in ...

Citric acid is safe to use on sensitive skin, but "given the lower threshold that sensitive skin has for exfoliation, always start slow and low, with a low concentration, and no more than once a ...

Citric acid, also known as “sour salt,” is a colorless, weak, organic acid. I know, it sounds like a poisonous substance, but it’s a low-level acid that’s both safe and strong enough to ...

Use citric acid as you would more familiar seasonings—sparingly but often. With citric acid, a little goes a long way, so add it slowly and taste as you go.

How to use citric acid to clean a dishwasher. Hard water can do a number on your dishwasher—mineral residue can build up in the guts of the machine, and even clog them.

Those rings around your toilet are easily dissolved with citric acid. Pour one tablespoon of powdered citric acid into the toilet bowl, let it sit for 15 to 20 minutes, and then flush. The bowl ...

"If somebody's like 'I want to try citric acid,' and they grab a spoonful, that's a bad idea," Velez explains. "It can weaken the enamel of your teeth.

Just as with distilled white vinegar, you can dilute citric acid to create a surface cleaner. Simply mix 2 ½ tablespoons of citric acid with 500ml warm water in an empty spray bottle, shake to combine ...

Despite its staggeringly many uses, citric acid isn’t considered a pantry staple like salt or MSG. Still, it’s easier to get ahold of than you might think.