Found in Hotel National in Taichung, Taiwan. (Thanks, Griff!)
The Chinese name of Whitemen Toothpaste is 白人牙膏 (bái rén yá gāo or “white people toothpaste”).
For background on Darlie (formerly — you guessed it — Darkie) Toothpaste, go here and here.
If you see any other racist or marginally racist toothpastes around, please send photos to [email protected].