COS DE BAHA (TN) Tranexamic Acid 5% + Niacinamide 5% SerumCOS DE BAHA (TN) Tranexamic Acid 5% + Niacinamide 5% Serum is a powerful brightening and skin tone correcting serum designed to reduce hyperpigmentation and improve overall skin clarity. Formulated with 5% Tranexamic Acid and 5% Niacinamide, it helps fade dark spots, even out the complexion, and reduce redness. Enriched with Aloe Vera, Sodium Hyaluronate, and Allantoin, this serum also provides hydration and soothes irritated skin. Botanical extracts