Can a viral K-beauty serum really transform mature skin? A 48-year-old tests the Anua brightening serum against dull skin and age spots

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This often leads to dullness, enlarged pores, and stubborn sun spots – particularly along the cheekbones. That is exactly what drew us to Anua’s Niacinamide 10% + TXA 4% Serum, which is currently being hailed as one of the best Korean beauty products on the market. Dubbed the ‘pink elixir’ by fans, this viral K-beauty blend is formulated to revive dull, dry complexions and fast-track that coveted, luminous "glass skin" look. Anua Niacinamide 10 + TXA 4: At a glanceAnua Anua Niacinamide 10% + Txa 4% Serum 30ml £19.80 at Lookfantastic US Best for: Dull, dry skin types looking for a radiance boost. How to use the Anua serumTo get the best results, slot the serum into your daily ritual like this: