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| F | G
| H | I
| J | K
| L | M
| P | Q
| R | S
| T | U
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| X | Y | Z
Keloid scar - A type of scar that continues to grow beyond what is needed at the site of an injury. This type of scar is caused by too much collagen forming while the skin is being repaired. The tendency to develop keloid scars is genetic.
Keloids - More common in African-Americans, this is an expansion of the scar beyond normal boundaries from the wound site. Regularly found on the ears and on the chest.
Keratin - This dominant protein is your skin's main material, as well as in hair and nails. Keratin is what gives your skin its rigidity.
Kojic acid - A skin treatment product derived from a fungus that studies have shown is effective as a lightening agent and in inhibiting the production of melanin.
Keratectomy - Excision of part of the cornea.
Keratoplasty - Plastic surgery performed upon the cornea; specifically in a corneal transplantation.
Keratotomy - Incision of the cornea.