Hydration and protection.. This lightweight, waterproof lotion with SPF 30 contains MDT5 and Parsol 1789 to save your skin from premature aging and future sun damage, while locking in vital moisture and treating pre-existing skin damage. The Somme Institute is dedicated to the science of skin perfection. Found exclusively in the Somme product line and based on years of scientific research and clinical trials*, Molecular Dispersion Technology is the most significant advancement in skin care. Molecular Dispersion Technology (MDT5) is a non-prescription synthesis of five highly-engineered vitamin compounds, designed to treat specific areas within the skin. This advanced delivery system allows high concentrations of vitamins to infiltrate the skin without toxicity or loss of potency and its unique biochemical formula will not oxidize when exposed to air or light. Somme Institute Cosmeceuticals. Repair sun damage. Reverse fine lines and wrinkles. Eliminate acne without redness, dryness or irritation. Are non-comedogenic (will not clog pores) Proven, documented results on all skin types. *Somme Institute clinical trials were conducted using Ultra Violet photography to expose wrinkles, sun damage and acne beneath the skin's surface.