GHK-Cu, a copper peptide, stimulates collagen and elastin synthesis for firmer, more resilient skin

Healthy Skin Support: Quicksilver Scientific Copper GHK+ Facial Serum with Cycloastragenol supports a smooth complexion with Vitamin C, Vitamin E, and GHK-Cu, a highly bioavailable copper peptide Hydration Support: This serum uses hyaluronic acid and antioxidants to support collagen renewal, skin regeneration, and firmness for those seeking a healthy glow* Allergen-Free Formulation: This nonirritating serum supports rapid absorption and is a hormone-free formula that is gluten-free, vegan, and non-GMO* Skin Texture Support Directions: Apply 2 pumps daily to clean face or neck before moisturizer and pat or gently massage until fully absorbed as part of your daily skincare routine* The Quicksilver Difference: Our proprietary Quicksilver Delivery Systems technology creates clear, stable liposomes (20-100 nanometers) for rapid absorption, high bioavailability, and superior nutrient delivery starting right in your mouth

[37] Glutamate does not easily pass the bloodbrain barrier, but, instead, is transported by a high-affinity transport system
General anti-aging serum: Community and commercial formulations commonly fall in the 0.1-0.5% range, bridging the clinical trial concentrations for skin aging and wound healing applications
And most importantly, we killed the buy and pray model for good