Revitalift Volume Filler Daily Volumizing Concentrated Facial Serum replenishes skin's firmness. Formulated with Hyaluronic Acid, this face serum boosts skin's moisture retention, improving skin's fullness and smoothness - skin regains its resilience, smoothing away the appearance of fine lines and wrinkles. Within hours of using serum, skin hydration significantly improves - after 4 weeks of use, skin is smoother, more even, cheekbones' fullness is improved, under-eye area is less hallowed and fine lines and wrinkles are reduced. Facial serum was Dermatologist tested for safety and is suitable for all skin types. Use serum every morning and evening by dispensing a few drops on fingertips and gently massaging over entire face, concentrating on areas as needed until thoroughly absorbed.