This product is used prior to your sunless tan application. You can spray this through your turbine or through your compressor. It will level out the clients PH level to ensure a Golden Brown Tan. PH Balancing XL-A-Tan Prep Spray BI6665Regular price: $19.95Sale price: $12.50 ============================================== Shop with confidence using Yahoo's 24 hour secure on-line server. For personal, friendly service, call 1-888-278-2982 from 9AM - 6PM Monday thru Friday E.S.T. Salon Owners, please call for additional savings.