Search reviews by skin type, ingredient, or keyword.
Our providers can design a protocol tailored to your specific needs, drawing on the available research for each peptide in the stack
The intranasal format allows researchers to investigate non-invasive delivery routes, with particular focus on: Copper signaling and peptide stability Central versus peripheral distribution Systemic gene modulation in non-injection protocols Comparisons with topical and injectable administration Each bottle of GHK-Cu Nasal Spray from KLD is manufactured in the United States, filled in a sterile environment, and third-party tested to confirm purity, identity, and volume consistency
Research Calculator Peptide Reconstitution Calculator Enter the peptide amount in the vial, the volume of bacteriostatic water you plan to add, and the target dose per injection
Every Other Day (EOD) Dosing Every other day dosing at slightly higher per-session amounts (e.g., 23 mg EOD instead of 1 mg daily) is also used, particularly to reduce injection frequency or manage cost
The protocol is one injection per day