Hyaluronic Acid is produced by our bodies to keep tissues well lubricated and healthy, but the amount of HA produced decreases as we get older. Hyalogic® HA Biotin Hair & Scalp Spray contains Hyaluronic Acid and Biotin to maintain a healthy scalp and hair. It helps against dryness while moisturizing and nourishing your scalp, promoting the appearance of thicker, fuller-looking hair. Simply spray hair and scalp and massage in. Non oily, this fragrance-free spray leaves hair soft and manageable. 4 fl. oz.