PlainPill

GHK-Cu Topical

People mainly take GHK-Cu Topical for skin & hair. Based on 4 first-hand reports and 0 meta-analyses & systematic reviews in the medical literature. Ranked #1340 of 3,539 overall.

21
User score
Mostly positive
50% positive0% mixed0% negative50% unclear

Of reports that state an outcome, 100% are positive.

Clinical research
DNo human trials found
0
meta-analyses
0
RCTs
0
papers
High-risk compound. Peptides are not approved as supplements, carry serious and sometimes irreversible risks, are banned in competitive sport and may be restricted where you live. Nothing here is a recommendation to use it.

What GHK-Cu Topical does, according to users

Of the people who reported each effect, the share who said it got better.

betterno changeworse

What the research says

Systematic reviews and meta-analyses from PubMed, with their published conclusions.

DNo human trials found

No randomized controlled trials in humans found on PubMed. The grade measures how much human research exists — read the conclusions below for what it found.

No meta-analyses or systematic reviews published yet — 0 randomized trials found.

Dosage people report

As stated by users — not a recommendation. Follow the label or your doctor.

topicaldaily

Reported side effects

How often each side effect came up across all reports.

No side effects reported so far.

What users say

First-hand experiences, quoted verbatim. We show one positive and one negative where both exist.

“I have done the , 2MG daily ,for a month protocol twice,and am now using it topically on my scalp ,and face. Results have been dramatic,my hair is noticeably thicker”
HelpedRead the discussion ↗
“I have been using topical daily and injx 2mg every other day for nearly 3 months. My skin looks and feels much better”
HelpedRead the discussion ↗
Top discussions (3)

Other options for skin & hair

User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 3, 2026. How we rate