Tucked away amidst residential Udomsuk neighborhood, Ava Spa The Master @BTS Udomsuk offers excellent wellness escape at affordable prices. Body massages, for both relaxation and muscle pain relief, vary from Guasa Soothing Massage, Hot Stone Body Balance Massage, Warm Candle Oil Massage, and Four Elements Massage. Rejuvenate your skin from top to toe with Excellent Body Scrub, Ultimate Brightening Stem-Cell, Luxurious Gold Caviar, and many more.