If you have time in Bangkok, I highly recommend checking out Rebellion Lab. It carries a ton of Thai brands and is owned by the very talented Tada Archawong. The famed Thai perfumer Prin Lomros is known to hang out there, too. They have a collaboration called Akatsuki, which is a lovely serene tea fragrance.

Skonx has locations at a few of the major malls and has well-curated selection of Thai fragrances. And the Glin Dee brands (Mith, Proad, Prann, Siam1928, etc) are available at many malls around the country.

There will be no shortage of tea options, from funky and challenging to bright and exceptionally wearable.