TIRTIR NIACINAMIDE 20% SERUM

A high-potency serum that helps improve luminosity, reduce the appearance of dark spots, and refine skin texture, leaving a more even and radiant finish.

When to use:

• Preferably at night, on clean, dry skin.
• If you are a retinol beginner, use it 2–3 nights per week and increase frequency based on your skin's tolerance.
• During the day, always use SPF 30 or higher sunscreen.