Skin Eternal Hyaluronic Serum features hyaluronic acid (HA), one of the skin's most important moisture-retaining components. Unlike other HA cosmetics, Skin Eternal Hyaluronic | Suggested Use: Shake well before using. 1 to 2 times daily, place 1 to 4 drops of serum on your finger and gently massage into the desired area of your face, hands, neck, or other skin areas | Well Made Supplement: Contains soy and tree nuts (coconut). | Over 40 Years of Trust. Source Naturals was created in 1982 by CEO Ira Goldberg to support everyone’s potential to enjoy optimal health. | Manufactured in the USA. Manufactured in Scotts Valley, CA, under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration. (FDA)