New Year's Promotion at Siam Spa December 15 - 31 -50% off the second gift certificate
* The 50% discount is only valid for the simultaneous purchase of two or more gift certificates in a single purchase, with the second certificate being of equal or lesser value than the first. ** Certificates purchased under this promotion are accepted for payment from January 1, 2026, and are valid for one year. ***This New Year's promotion cannot be combined with other promotions or special offers.