Why Do We Get Freckles?

We get freckles because our skin has little sun sensors that react to sunlight like a light switch turns on a lamp.

Imagine your skin is like a big chocolate bar, smooth and even. But some parts of it have tiny popsicles inside them, which are special cells called melanocytes. These popsicles make our skin darker when they’re happy, kind of like how ice cream melts and makes everything around it colder.

When the sun shines on your skin, these popsicle-makers start working extra hard, they make more color, which is why some parts of your skin get darker than others. Freckles are like little solar-powered dots that show up when the sun is strong or when you spend a lot of time outside.

Think of freckles as the kids who love to play in the sun, they show up more often and get bigger when the day is sunny. Other parts of your skin are like the kids who prefer shade, they stay calm and don’t change much.

So next time you're outside, remember: your freckles are little sun-lovers telling you how much fun you've had in the sun!