For some reason, this little girl's drawing has been routinely shared online since its inception. Here's a quick explanation of the story behind it and how it became a meme.

One of the striking characteristics of the sketch is a filled-in circle on the cheek. Sonia asked if it was hyperpigmentation, referring to when a patch of skin is darker than the surrounding skin due ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo by Jaap Arriens/NurPhoto via Getty Images The “hyperpigmentation” meme is trending on TikTok, and many users want to know ...