what is ghk-cu serum Topical Copper Peptide | Dual-Action Face & Scalp Care for Hydration & Youthful-Looking Skin | With Hyaluronic Acid, Niacinamide & Centella Asiatica boosts collagen 2% GHK-Cu Restorative Skin Cell

GHK-Cu levels in plasma decline significantly over a lifetime

The secondary outcomes will be the serum vitamin B12 concentration (pg/ml), adverse events (description, moment of onset and resolution, intensity, cause, steps taken), adherence to treatment (measured at each patient visit via the number of vials used for patients in the oral arm, and the number of injections given in the intramuscular arm), quality of life (measured using the EuroQoL-5D questionnaire), and patient satisfaction and preferences

With ongoing use, it improves the quality of skin and helps maintain a healthy tone

The arginate modification is intended to improve the peptides stability and bioavailability, which may allow for more consistent delivery in the context of a wellness routine