If you must layer them in the same evening routine, apply the lightweight copper peptide serum first, wait 10 to 20 minutes for complete absorption and pH stabilization, and then follow with your retinol and a nourishing moisturizer
Recent research suggests that when glutathione is delivered in a liposomal form it enhances uptake and favourably impacts systemic glutathione levels 31
While originally studied for gut healing, this stable pentadecapeptide is now being studied for its effects on soft tissues, tendons, muscles, and wounds
doi: 10.1038/srep05640 148 Segura-MorenoYYSanabria-SalasMCMesaJAM-LDVarela-RamirezRAcosta-VegaNLSerranoML
The best way to know if it works
Inverse Association Between Iodine Status and Prevalence of Metabolic Syndrome: A Cross-Sectional Population-Based Study in a Chinese Moderate Iodine Intake Area