MPH Madina Farm Serum Hyaluronic Acid for skin hydration 30 ml concentration of active pure hyaluronic acid. Moisturizes the face and neck skin for an immediate plumping effect. Fights free radicals and oxidative stress and skin aging. How to use: Apply in the morning and evening on clean and dry face, then massage until fully absorbed. Indications: Hydrating face serum based on hyaluronic acid for daily skin treatment.