Skin Addict is specialized in Dermaplane Facials, Customized Facial Phx and Brazilian Wax in Phoenix, Arizona. Call now to book an appointment. We are home of the Serenity massage and Serenity facial. These are the best day spa treatments in Phoenix that you can only experience at New Serenity Spa. for large groups wishing to enjoy a Spa Day in beautiful Scottsdale, Arizona.