TIRTIR Niacinamide 20% Serum | 20% Niacinamide + Retinol + Glutathione | Dark Spot, Pore & Wrinkle Multi-Correction Serum

The End of the Multi-Serum Juggle—Comprehensive Correction, Simplified
In the pursuit of flawless skin, we often find ourselves layering serum upon serum—one for dark spots, another for pores, a third for wrinkles. The TIRTIR Niacinamide 20% Serum shatters this fragmented approach with a groundbreaking concept: strategic active synergy in a single formula. This is not a simple niacinamide booster; it is a meticulously engineered multi-correction powerhouse that brings together four of dermatology's most celebrated actives at clinically significant levels. By uniting 20% Niacinamide, Retinol, Glutathione, and Alpha-Arbutin within a hydrating hyaluronic acid base, this serum offers a comprehensive, clinic-level treatment for hyperpigmentation, texture, and aging—all while reinforcing the skin's barrier. This is the new standard for efficient, high-performance skincare.
The TIRTIR Difference: High-Concentration Synergy, Dermatologist-Designed
✅ Unprecedented Active Alliance: First serum to combine 20% Niacinamide with Retinol, Glutathione, and Alpha-Arbutin at functional levels.
✅ Barrier-First Formulation Philosophy: Uses high-dose niacinamide to build resilience, enabling the safe and effective use of other potent actives.
✅ Multi-Correction in One Step: Addresses pigmentation, texture, pores, wrinkles, and barrier health comprehensively.
✅ Dermatologically Tested & Sensitive Skin Considerate: Formulated to be effective yet tolerable, even for sensitive skin types with proper acclimation.
How to Use: The Gradual Acclimation Protocol for a Potent Formula
CRITICAL – Start Low & Go Slow:

1.    Patch Test: Mandatory. Apply on the jawline for 3 consecutive nights.
   

2.    Week 1-2 (Introduction): Use ONCE every 3 nights in the evening. Apply 2-3 drops to entire face after cleansing and toning on completely dry skin. Wait 15 minutes, then apply a soothing moisturizer.
   

3.    Week 3-4 (Titration): If no irritation (redness, stinging, peeling), increase to every other night.
   

4.    Maintenance (After Acclimation): Can be used nightly as tolerated. Never use more than once per day.