Fixderma Nigrifix Cream is a revolutionary formulation designed to treat acanthosis nigricans, targeting dark, velvety patches on elbows, knees, underarms, and neck. Enriched with 10% lactic acid and 0.1% retinol, it effectively lightens and repairs thickened skin. This advanced cream promotes even skin tone and prevents further damage, making it a must-have for your skincare routine.