Catalog
Acquired changes in hair colour
Link to WHO Definition
Acquired changes in hair colour – http://id.who.int/icd/entity/1055080410
Abnormal diffuse or circumscribed alterations in natural hair colour. Causes include drugs, idiopathic premature greying of the hair, differential shedding of pigmented hair in alopecia areata or hair pigment loss in association with vitiligo or regressing melanocytic naevi.