Includes one 1 fluid ounce bottle of Amazon Basics Hydrating Hyaluronic Acid Serum Dermatologist tested, formulated without Parabens or Phthalates Key Ingredients Hyaluronic Acid, Essential Ceramides, Vitamin B Ceramides help to replenish the protective skin barrier and improve skin smoothness Apply evenly to face and neck, can be used alone or layered under moisturizer If you like CeraVe Hydrating Hyaluronic Acid Serum, we invite you to try Amazon Basics Hydrating Hyaluronic Acid Serum Running low? Restock by asking, "Alexa, order Amazon Basics Hyaluronic Acid Serum" through your Alexa device.