Can fleas live in human hair?
Kelsie Harvey
2025-07-29 07:45:40
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Typically, fleas won't make a permanent home in human hair. Fleas rarely inhabit human hair, as they prefer the dense fur of pets for their lifecycle. While fleas can bite humans and can cause allergic reactions and itchiness, they don’t lay eggs or live in human hair. The fur of animals like cats and dogs provides a dense, warm environment perfect for fleas. Flea larvae thrive in environments with debris and shadows provided by thick fur. Human hair lacks the density needed for flea larvae to develop. Flea eggs fall off easily in human hair. Dense fur allows eggs to stay securely until they hatch. However, you might have heard of an opportunistic feeder called human fleas, they still target other warm-blooded animals. Fleas can feed on human blood to survive briefly if their animal hosts aren’t around.
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