O2 Intense 2-Piece Brightening Set

A clinically engineered two-step treatment routine designed to address multiple causes of uneven skin tone and discoloration.  O₂ Niacinamide Eight Active Serum delivers 8% niacinamide with peptides and hyaluronic acid to help regulate sebum production, visibly refine pores, improve brightness, and support a stronger, more balanced skin barrier.  O₂ Vitamin C Brighten Defend Serum features THD ascorbate - an advanced, highly stable form of vitamin C - alongside microencapsulated feruli