can i use glutathione with niacinamide Serum Glutathione 7 Duo

Hormonal changes, stress, dietary shifts, or new products introduced around the same time as GHK-CU could be responsible

Nutrients (2017) 9:521

The compound enhances keratinocyte turnover, the process by which skin cells shed and renew themselves, facilitating the gradual removal of melanin-laden cells from the skin's surface

Compound GHK-Cu (Copper Tripeptide-1) CAS Number 89030-95-5 Sequence Gly-His-Lys (copper-bound) Molecular weight ~403.9 g/mol Purity 99% (HPLC verified) Form Lyophilised powder Contents 50mg or 100mg per vial Packaging Sealed sterile research vial Storage (lyophilised) 28C, protect from light & moisture Storage (reconstituted) 28C, use within 28 days Reconstitution Bacteriostatic water (recommended)