THREE Balancing Barrier Brightening Serum, 30mlHealthy skin doesn't accumulate noise. This whitening*1 serum combines quasi drugs with essential oil science for turnover*. [Three Features of Balancing Barrier Brightening Serum] 1. Contains the active ingredient "Panthenol BB (Dexpanthenol W)," which whitens*1 and prevents rough skin. Panthenol BB, a rare and approved active ingredient, promotes the excretion of melanin by regulating epidermal turnover. It regulates the beauty cycle and addresses