topical ghk cu serum Neurogan GHK-Cu Copper Peptide Hair & Scalp – 2400mg, 4% Copper Peptides – Fast-Absorbing, Water-Based Formula for Hair Softness & Shine backed firming serum built around GHK Best GHK-Cu Topical Serum Guide

But the reconstituted peptides need to be placed in the fridge and used as soon as possible

Inject subcutaneously at a 45-degree angle into abdominal fat, thigh, or upper arm

Thin (100 nm thick) sections were cut with a diamond knife on an Ultracut E ultramicrotome, collected onto 300 mesh copper grids and allowed to air dry

Avoid prolonged hot showers for 24 to 48 hours

Research status Both investigational

Epithalon (Ala-Glu-Asp-Gly) has been one of the most studied tetrapeptides in aging research, with published literature spanning telomerase activation, melatonin signaling, and gene expression modulation across multiple experimental models