The product intensely hydrates the skin, helps active ingredients penetrate deeper layers of the skin, increases elasticity, and gives the face a smoother and naturally radiant appearance. Serum effects: - Has a strong smoothing effect, helping reduce the appearance of wrinkles and fine lines - Gently brightens pigmentation spots and post-acne marks - Strengthens the skin barrier, helping prevent dryness and dehydration - Reduces redness and inflammation - Improves overall skin tone and texture This Medicube product provides radiance through Active Glow-zom technology, which contains glutathione (50,000 ppm), niacinamide, adenosine, skin-mimicking patented collagen, and bifidobacterium lysate that helps support skin regeneration. The serum absorbs quickly, leaves no sticky residue, and works well with other products in the glutathione line, giving the skin a brighter and smoother appearance from the very first use.