The results of searching for "whitening": 5 English-speaking places
There are also organizations that speak other languages: Russian, Polish, Turkish, French, Spanish and so on.
Jägerstraße 70 10117 Berlin Germany
Schlegelstraße 14 10115 Berlin Germany
Boxhagener Straße 119 10245 Berlin Germany
Binzstraße 5 13189 Berlin Germany
Flughafenstraße 76 12049 Berlin Germany