TIRTIR Niacinamide 20% Serum 30ml supplements The brand focuses on simple

The brand focuses on simple formulas that deliver visible results while fitting seamlessly into everyday routines

•After cleansing

*The 7-skin method (layering multiple applications) can be used for extra hydration on dry days

• Sheer-to-Buildable Color: Easy layering for customized intensity

all skin types

TIRTIR Niacinamide 20% Serum 30ml supplements The brand focuses on simpleProduct Description TIRTIR is a Korean skincare brand focused on effective, results driven formulas that blend potent actives with gentle delivery systems to improve skin health and clarity. The brand often combines clinical strength ingredients like niacinamide and retinol with hydrating and barrier supporting agents for balanced, visible outcomes. Skin Types : All skin types with caution best for oily, combination, normal, and acne prone skin. Those