Sesderma Azelac RU Liposomal Serum is an advanced depigmenting treatment formulated to visibly reduce dark spots, melasma, pigmentation and uneven skin tone. Powered by azelaic acid, 4-butylresorcinol, retinol and tranexamic acid, this liposomal serum delivers deep skin penetration for faster, more targeted brightening results. It helps inhibit excess melanin production, lightens existing pigmentation, and prevents new spots from forming. Ideal for all skin types, this lightweight serum improves clarity, smoothness and radiance. Perfect as a stand-alone treatment or paired with professional depigmentation therapies for maximum brightening power.