Thank you for viewing! ■ Basic Information and Overview • Official name: Obagi C25 Serum Neo. • Volume: 12 mL. • Price (suggested retail price or reference price): approximately 11,000 yen (tax included). ■ Brand new, unused, unopened product ■ Set of 2 • Manufactured by Rohto Pharmaceutical, this is a high-end product in the Obagi series' high-concentration vitamin C serum line, aiming for an "extreme" formulation. ■ "Concentration," "Penetration," and "Stability" A serum designed with a focus on balance. Effects: • Improvement of pores and dullness • Reduces the appearance of fine lines caused by dryness (efficacy evaluation tested) • Improves skin transparency and firmness • Moisturizing properties are also highly regarded, with reports from monitors confirming an increase in skin moisture levels after use.