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The Novology Bi Phasic Hyperpigmentation Serum, a carefully formulated blend, addresses all three root causes of hyperpigmentation. It employs the HNR-3 technology combining Hexylresorcinol, Niacinamide, and Retinyl Propionate for an effective action against pigmentation. Hexylresorcinol stands as an active tyrosinase inhibitor, reducing melanin over-production. On the other hand, Niacinamide, a derivative of Vitamin B3 found naturally in many foods, blocks melanin transfer, preventing it from reaching the skin surface.