What it is: A revolutionary age-defying serum-doubled in size-that helps significantly reduce the appearance of fine lines and wrinkles.What it does: This renewing serum increases skin thickness and density and restores your skin's youthful appearance.Key ingredients:- Barley EGF®: a moisture-binding and skin-rejuvenating signaling protein, and the first of its kind to be produced in plants by BIOEFFECT scientists- Hyaluronic Acid: a vital substance naturally found in skin, critical for maintaining skin hydration that's known for its incredible capacity to attract and hold vast amounts of moisture- Glycerin: powerful plant-based humectant that pulls moisture into the skin while smoothing and conditioning the skin's surface- Icelandic Water: clean, soft and pure, as it is geologically filtered through layers of inert volcanic lava, with a low concentration of hard minerals such as calcium and magnesiumHow to use: Apply 2-4 drops to clean skin on your face and neck nightly. It provides intense repair to your skin while you sleep. This serum is good for 16 months after opening. $338 value 1.01 oz. Fragrance-free; alcohol-free; oil-free; preservative-free; silicone-free