STACKD Research is educational—not medical advice. Disclaimer

STACKDResearchSign up

GHK-Cu

Limited human data

Also known as: Copper peptide · glycyl-L-histidyl-L-lysine copper

A copper-binding tripeptide studied in skin biology and remodeling. Appears in topical cosmetic research and in online discussions of recovery and tissue quality.

Mechanism (plain language)

Proposed to influence gene expression related to remodeling, antioxidant defense, and extracellular matrix. Copper complexation is central to many mechanistic hypotheses.

What research suggests

Cosmetic and dermatology literature includes human topical studies on appearance metrics. Systemic injectable claims popular online are far less supported than topical skin research.

Uncertainties & risks

Route of administration matters—topical evidence does not validate systemic research-chemical narratives. Copper load and product quality are practical concerns. Separate marketing claims from peer-reviewed endpoints.

STACKD study summaries

Start with our in-house roundups—plain-language synthesis of the research, with primary sources cited at the bottom of each.

Primary sources

Secondary citations for verification. Prefer the STACKD summary above for context before opening these.

Often discussed with…

Commonly discussed together

GLOW

Online communities often discuss GHK-Cu, BPC-157, and TB-500 together under the informal name “GLOW,” usually in the context of skin quality and soft-tissue recovery conversations—not as a single studied product.

GLOW is a community nickname, not a validated clinical protocol. There are no dose schedules here. Read each peptide’s evidence level and primary sources separately.

Skin / repair · Recovery