An aqueous serum enriched with 10% niacinamide and 4% tranexamic acid is aimed at eliminating persistent dark spots and hyperpigmentation, helping to reduce discoloration. You can consider such a tool here https://esmea.ca/blogs/news/effective-solutions-for-dark-spots-discover-top-korean-skincare-products Apply a few drops to the affected areas and gradually increase the time of use. Use morning and evening before oil and moisturizer. It can be used daily, but stop using if irritation occurs.
