In November 2024, the Thai Food and Drug Administration (Thai FDA) released the Guidelines for the Consideration of Notification of Cosmetics in Ampoule, Vial, or Syringe Forms (Revised Edition September 2024). This updated document outlines new provisions for cosmetics allowed to be notified in ampoule, vial, or syringe form, further details the physical characteristics of such containers, and makes a few minor adjustments to the dossiers needed for product notification. The revised Guidelines aims to enhance regulatory clarity and ensure that these cosmetic products remain distinct from medical devices or drugs.