- Leukoderma or vitiligo - loss of pigment in the skin
- Leukotrichia - loss of pigment of the hair
- Hypopigmentation or incomplete albinism - generalised reduction of pigment in skin or hair
- Albinism - inherited lack of pigment
- Dilution - reduced pigmentation
- Can be localised or generalised, idiopathic or asociated with other diseases
- Examples of hereditary conditions: Maltese dilution of cats, Chediak-Higashi syndrome, leukoderma and leukotrichia of Dobermans, Arabian fading syndrome
- Asociated with some immune-mediated disorders, e.g. discoid lupus erythematosus