About this business

From Our Editors

Visitors to Spa Ja pass beneath a black-and-red façade inspired by the wood-scrap decorations of favelas, or shanty towns, in founder Giovanna Kupfer’s native Brazil. Within the minimalist tiled interior, therapists wield exclusively organic products and natural treatments that can bolster whole-body wellness without invasive procedures such as force-feeding skin cells broccoli.

View All