• Why don't hippos need SPF lotion?

  • Mar 3 2025
  • Length: 1 min
  • Podcast

Why don't hippos need SPF lotion?

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  • Why don't hippos need SPF lotion?

    It turns out, hippos have a unique way to protect themselves from the sun. They secrete a red-orange fluid that acts as a natural sunscreen and antibiotic. This secretion, often called "blood sweat," isn't actually blood or sweat. It's a special fluid that absorbs ultraviolet light, shielding the hippo's skin from sun damage. Additionally, its acidic nature helps prevent bacterial infections, keeping their skin healthy.But here's the wild part—this fluid changes color! When first secreted, it's colorless, but as it reacts with the air, it turns red and then brown. This helps hippos regulate their body temperature while looking like they're sweating blood. So, while we reach for sunscreen, hippos simply rely on their own built-in protection.
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