Medicube Retinol NMN Boosting Serum stands as the definitive solution for those with reactive or acne-prone skin who desire professional-grade results without the risk of irritation. By harmonising 1.9% pure retinol with 99% pure NMN , this serum restores natural bounce and resilience, effectively reversing the signs of fatigue. The unique 5-Complex technology works deep within the skin to tighten sagging pores and smooth rough patches, gradually refining the surface for a flawless finish. This serum bridges the gap between efficacy and comfort, helping to brighten dull areas and regulate excess oil production for a sustained, youthful glow. Why You Will Love It: Pore-Refining Power: Targets sagging pores and uneven texture to create a visibly smoother skin surface. Potent Firming Duo: Blends 99% pure NMN and retinol to strengthen the skin and reduce the appearance of wrinkles. Soothing Peptide Complex: Includes calming peptides that provide a firming effect while keeping sensitive skin comfortable. Clinical Strength Precision: Delivers high-purity ingredients that work together to fade dark spots and boost hydration. How to Use: Apply a small amount of the serum to clean, dry skin during your evening routine. Spread the liquid evenly across the face and neck, following with a moisturiser to seal in the active ingredients.