Reveal glass-like radiance with this advanced, light-reflecting formula. Expertly blended, the Allies of Skin Advanced Firm + Glow Serum helps promote visibly brighter, firmer-looking skin over time. Powered by 20% ethylated L-ascorbic acid alongside a 2.18% citrus cells and glutathione complex, it provides antioxidant protection, helping to defend against environmental stressors while supporting a lasting, luminous glow. Concentrated yet gentle, it is suitable for all skin types and delicate enough for the eye contour. Apply after cleansing to encourage dewy, healthy-looking skin.