The Day & Night Duo Serum Treatment by Beauty of Provence combines the power of Vitamin C & Hyaluronic Acid during the day with the rejuvenating effects of Retinol & Niacinamide at night. This all-in-one serum is designed to target early signs of aging, discoloration, and wrinkles while providing hydration and nourishment to all skin types. With a formulation containing key active ingredients like Hyaluronic Acid and Retinol, this serum is perfect for creating a complete skincare regimen that promotes radiance, lifting, and firming of the skin. Perfect for those looking to achieve a more revitalized and age-defying complexion.