Seonghwa and Hongjoong front NACIFIC's Phyto Niacinamide Whitening Essence together, posted by the brand's official Korean account June 27, 2024; the same product/pairing was promoted again in a follow-up post on July 3, 2024.
A solo Seonghwa post for NACIFIC's Phyto Niacinamide Whitening Essence, posted by the brand's official Korean account December 24, 2024 — distinct from the earlier paired post with Hongjoong for the same product.