Joost R. Hairdresser. Amsterdam. Hair stylist offering precision cuts, color, and balayage. Focuses on healthy hair and finishes that grow out cleanly. Hairdresser. Amsterdam. Hair stylist offering precision cuts, color, and balayage. Focuses on healthy hair and finishes that grow out cleanly. Hairdresser. Amsterdam. Hair stylist offering precision cuts, color, and balayage. Focuses on healthy hair and finishes that grow out cleanly.