Compare UK prices. 40+ products · 15 retailers scored
PeptideClear UK

Regulatory hub · UK status

GHK-Cu: UK regulatory status

Also known as: Copper Peptide, Copper Tripeptide-1

Last reviewed . Editorial commentary, not legal advice.

MHRA: No UK marketing authorisation Not currently listed on the WADA Prohibited List
AI-friendly summary · GHK-Cu

GHK-Cu is most commonly regulated in the UK under the UK Cosmetics Regulation 2013 when used in topical skincare. As a research peptide for non-cosmetic use it holds no UK marketing authorisation as a medicine. GHK-Cu is not on the WADA Prohibited List in itself.

Misuse of Drugs Act 1971

GHK-Cu does not appear on any schedule of the Misuse of Drugs Act 1971.

Psychoactive Substances Act 2016

GHK-Cu is not covered by the Psychoactive Substances Act 2016.

MHRA and medicines classification

GHK-Cu in topical cosmetic formulations is regulated by the Office for Product Safety and Standards under the UK Cosmetics Regulation 2013, not MHRA. As an injectable research peptide it holds no UK marketing authorisation.

See: MHRA medicines classification (POM, P, GSL).

WADA Prohibited List position

GHK-Cu is not named on the WADA Prohibited List. Tested athletes should still consult WADA directly before use.

See: WADA Prohibited List and peptides.

ASA advertising framing

Cosmetic claims (skin firmness, appearance) are permitted under CAP Code provided they are supported by adequate substantiation. Medical or wound-healing claims are not permitted in consumer advertising.

See: ASA rules on weight-loss advertising.

Primary sources

When in doubt about your specific position, consult MHRA directly via the MHRA contact page or seek qualified UK medicines law advice.

Frequently asked questions

Is GHK-Cu legal in the UK?
GHK-Cu is most commonly regulated in the UK under the UK Cosmetics Regulation 2013 when used in topical skincare. As a research peptide for non-cosmetic use it holds no UK marketing authorisation as a medicine. GHK-Cu is not on the WADA Prohibited List in itself.
What is the MHRA position on GHK-Cu?
GHK-Cu in topical cosmetic formulations is regulated by the Office for Product Safety and Standards under the UK Cosmetics Regulation 2013, not MHRA. As an injectable research peptide it holds no UK marketing authorisation.
Is GHK-Cu on the WADA Prohibited List?
GHK-Cu is not named on the WADA Prohibited List. Tested athletes should still consult WADA directly before use.
What can UK sellers say about GHK-Cu in adverts?
Cosmetic claims (skin firmness, appearance) are permitted under CAP Code provided they are supported by adequate substantiation. Medical or wound-healing claims are not permitted in consumer advertising.

Related: GHK-Cu editorial entry · UK regulatory hub.

Reviewed by Oliver Mackman, editorial director · last reviewed 2026-05-22T12:00:00.000Z