I chose the “Herbal Habitat” package for HKD$797 here on KLOOK. The staff there are very friendly, and the place is very clean.
Please make sure that you search for “Ratchadamri Branch” at
231/4 Soi, Sarasin Rd, Lumphini, Pathum Wan, Bangkok 10330
Nearby BTS Chidlom exit 4 or BTS Ratchadamri exit 1.
To make sure you arrive on time, I recommend taking BTS and spare extra 15 more minutes in case you have a hard time looking for the location. Just keep following the google map, and you will find the location easily.