NATURE REPUBLIC The First Niacinamide Treatment Essence 150ml is a versatile 3-in-1 formula serving as toner, essence, and serum. Enriched with niacinamide, Kakadu plum extract, and adenosine, it effectively evens skin tone, boosts radiance, and diminishes fine lines. Its lightweight texture absorbs rapidly, creating a hydrated, balanced base that optimizes the absorption of following skincare products. Perfect for daily use as your initial skincare step, it clears and brightens skin while maintaining essential moisture.