: Hyaluronic acid is one of the most important acids found in the lower layer of the skin. It is responsible for absorbing massive amounts of water (several times its weight) and retaining it in this layer to ensure skin hydration and prevent dryness. Benefits of Hyaluronic Serum: Deep skin hydration. Skin cell regeneration. Skin barrier restoration. Treatment of fine lines and wrinkles. Maintains skin elasticity. Fights signs of aging. Treats skin pigmentation. Stimulates collagen production. How to Use: Before bedtime, apply two drops to a damp face and massage thoroughly.