✨ Unlock Your Skin's Potential with Yon-Ka! Experience the power of a serum and cream combo designed to rejuvenate and restore. Infused with hyaluronic acid and shea butter for deep hydration and skin elasticity. Specifically formulated to address the unique needs of pre and post-menopausal skin. Transform your skin with a dedicated regimen for visible results in just one month. Harness the expertise of Yon-Ka Paris, blending science and nature for effective results. Marine Collagen Vitamin C Hyaluronic Acid The Yon-Ka Advanced Optimizer Serum & Cream is a powerful anti-aging treatment designed for all skin types, particularly mature skin. This 30ml/40ml duo combines the hydrating benefits of hyaluronic acid and vitamin C with the firming properties of marine collagen, offering a comprehensive solution to restore skin elasticity and vitality. Paraben-free and rooted in professional skincare expertise, this intensive treatment promises visible results in just 30 days.