Pure hyaluronic acid from Time not for skin care: one of the strongest nourishing and moisturizing ingredients in the market today. Moisturizes the skin, maintains its health, and also increases skin hydration levels. This serum contains 1% of pure hyaluronic acid, the highest concentration for maintaining skin moisture. For normal, dry, oily, combination, and sensitive skin. About the product: Does not leave an oily residue on the skin. Dries quickly and clearly. Natural and paraben-free. With a higher concentration. Made in the United States of America. How to use: Apply two or three drops and blend with your favorite cream/moisturizer for better results. Used twice a day, morning and evening.