He claimed it was caused by the pigmentation disorder vitiligo, but rumours suggested he had bleached his skin.

他表示这是由色素沉积紊乱造成，但坊间流言称他对皮肤进行了漂白。

youdao

I have a skin disorder, it destroys the pigmentation in my skin.

我有一种皮肤病，它破坏了我皮肤的天然肤色。

《柯林斯英汉双解大词典》

I have a skin disorder that destroys the pigmentation of my skin.

我有一种皮肤病变，这摧毁了我皮肤的色素沉著。

youdao

Was Van Espleghem documenting ritual scarification, or perhaps a pigmentation disorder?

WSJ: Less Familiar Faces | Revealing the African Presence in Renaissance Europe | Princeton University Art Museum | By Barrymore Laurence Scherer

He told the talk show host that he had vitiligo, a disorder that destroyed his skin pigmentation.

CNN: Michael Jackson broke down racial barriers

Some people with this disorder never experience changes in pigmentation, but others begin to produce melanin during childhood and adolescence.

CNN: Albinism