The lack of any significant adverse events demonstrates that the new Cellsentials are generally safe and well-tolerated in healthy people
Matrixyl's mechanism is more targeted: Collagen signaling : The KTTKS sequence mimics a collagen breakdown fragment, signaling fibroblasts that collagen repair is needed Collagen types I and III : Stimulates production of the primary structural collagens in skin Fibronectin production : Enhances production of fibronectin, a key extracellular matrix glycoprotein Palmitoyl enhancement : The lipophilic palmitoyl chain improves skin penetration and receptor binding Mechanistic Comparison# Clinical Evidence Comparison# GHK-Cu Clinical Studies# GHK-Cu has multiple clinical studies supporting its anti-aging effects: Pickart facial study (67-71 women, 12 weeks) : GHK-Cu cream applied twice daily improved skin laxity, clarity, and firmness
Independent post-2022 replication of those plasma figures remains thin in the published literature
Benefits: Vitamin C and A help to reduce the appearance of hyperpigmentation and balance out an uneven skin tone
Nowak C, Hetty S, Salihovic S, Castillejo-Lopez C, Ganna A, Cook NL, et al