Different types of pimples and how to treat thEm

Not all pimples are the same. The difference depends on what's happening below the surface. Here's a detailed look at the most common types of pimples. Tech Insider tells you all you need to know about tech: gadgets, how-to's, gaming, science, digital culture, and more.

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What’s inside a pimple?

Pimples may be an intimate experience for you, but oftentimes what's inside is a foreign concept in itself. Tech Insider tells you all you need to know about tech: gadgets, how-to's, gaming, science, digital culture, and more.

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How to prevent ingrown hairs

While the average pimple should be left alone, ingrown hairs require immediate attention. If they go untreated, the irritating bumps can become painful and even dangerous. Science Insider tells you all you need to know about science: space, medicine, biotech, physiology, and more.

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How do scars form?

It’s hard to escape childhood without racking up a few scars. Why do these leftover reminders of a painful cut or crash look different from the rest of our skin? And why do they stick around for so long after the incident that caused them? Sarthak Sinha explains how scars form.

TED ED: Lesson by Sarthak Sinha, animation by Karrot Animation.