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American Academy of Dermatology
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Kids’ zone
About skin: Your body's largest organ
About hair: Not just on your head
About nails: More important than you think
Questions lots of kids ask about their skin, hair, and nails.
Amazing facts about your skin, hair, and nails
How do animals protect their skin
Skin dictionary
Camp Discovery
Good Skin Knowledge lesson plans and activities
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Find a dermatologist
Ask a Dermatologist
Skin dictionary: Letter K
Learn the meaning of words that tell you more about your skin, hair, and nails.
A
B
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K
L
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Keloid
(key-loyd)
A thick bumpy scar that can happen after a piercing or after stitches.