Hypopigmentation

Hypopigmentation is the loss of skin color. It is caused by melanocyte depletion &mdash; a decrease in the amino acid tyrosine, which is used by melanocytes to make melanin.

Associated conditions
It is seen in:


 * pityriasis alba
 * vitiligo
 * leprosy
 * albinism
 * idiopathic guttate hypomelanosis