(TrendHunter.com) Hyaluronic acid is a powerful ingredient that's popular in many skincare products for good reason and The Body Serum by Nécessaire is now being introduced as a “daily Hyaluronic Acid... (TrendHunter.com) Hyaluronic acid is a powerful ingredient that's popular in many skincare products for good reason and The Body Serum by Nécessaire is now being introduced as a “daily Hyaluronic Acid...