As we age, we lose our ability to hold and replenish our hydration in our skin. This decreases as much as 50% by the age of 40. Dry skin causes fine lines and essentially the aging process. Hyaluronic Acid is leading in the industry for fighting aging skin and keeping skin hydrated. HA is a natural product and recognized as the most effective moisturizer ever discovered and is capable of holding up to 1,000 times its weight in moisture.