Glow Lab Hyaluronic Acid Hydrating Facial Serum is a concentrated hydrating facial serum, formulated to instantly replenish thirsty skin with vital moisture for a smoother, more supple appearance. Boosted Glycerin and five types of Hyaluronic Acid, including 2% Micro Hyaluronic Acid, capable of penetrating deep below the skin's surface for more sustained hydration*. Enriched with Pro-Vitamin B5 and Beta Glucans to support moisture retention. Fragrance-Free. *Contains 2% Sodium Hyaluronate, with a low molecular weight of 25-50k Daltons.