ELI5: Explain Like I'm 5

DMDM hydantoin

Dmdm hydantoin is a type of preservative that is used in many different products that you might use everyday, like shampoo, lotion, and even some types of makeup. It helps to keep these products from going bad or getting contaminated with germs.

Now, you might be wondering, how does it do that? Well, dmdm hydantoin works by releasing a tiny amount of something called formaldehyde. Formaldehyde might sound like a big word, but it's actually a kind of chemical that helps to kill bacteria and fungi. You can think of it like a small soldier that fights off the bad germs and makes sure your products are safe to use.

But wait, you might be thinking, if formaldehyde is a chemical used to preserve dead animals and keep them from decaying, how can it be safe to use on our skin? That's a really good question! The amount of formaldehyde released by dmdm hydantoin is so tiny that it's considered safe for us to use. It's like having just a sprinkle of salt on your food instead of a big spoonful.

Sometimes, people can have allergies or sensitivities to ingredients like dmdm hydantoin, and they might get a skin irritation or rash. That's why it's always a good idea to check the ingredient list on products you buy and see if they contain dmdm hydantoin or any other ingredients that you might be allergic to.

Overall, dmdm hydantoin is a helpful preservative that keeps our everyday products safe to use by fighting off germs and keeping them from spoiling.