Doctors and clinics: 4 English-speaking places
The results of searching for "whitening": 4 English-speaking places
There are also organizations that speak other languages: French, Russian, and Spanish.
Rua dos Castanheiros 3B 2810-036 Setúbal Portugal
Largo Machado de Assis 9g 1700-116 Lisboa Portugal
Rua Doutor Gama Barros 27A 1700-265 Lisboa Portugal
Rua Gilberto Rola 62A 1350-159 Lisboa Portugal