AOU Pogeun Balm
Taeyeon's own channel pouch reveal; she says every product shown is self-bought; no paid-promotion mark.
AOU
Taeyeon, Karina, Kwon Eunbi named or showed 3 AOU items on camera.
Which AOU products do idols use?
AOU Glowy Tint Cream Blusher (촉촉 크림 블러셔) 01 Churu Ball (츄르볼)
aespa's makeup artist says she often uses this blusher for airport looks and agrees when asked if Churu Ball became famous as Karina's blusher; caption reads AOU cream blusher #01 Churu Ball. Video marked as no paid promotion.
AOU Glowy Tint Balm 01 Apple Balm
Applied on camera in Harper's BAZAAR Korea pouch video; the description's product list gives this timestamp. No sponsorship mark.