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peptide comparison · skin & hair × growth

GHK-Cu vs Tesamorelin

Two compounds, mechanism by mechanism. Where they overlap, where they don't, and which vendors stock each.

§ 01

Mechanism

ghk-cu

GHK-Cu

Copper peptideGlycyl-L-histidyl-L-lysine-Cu

Naturally occurring copper-binding tripeptide. Well-documented in dermatology literature for collagen synthesis and wound healing.

Full guide →
vs
tesamorelin

Tesamorelin

TH9507Egrifta

Synthetic 44-amino-acid analog of growth hormone-releasing hormone (GHRH). Stimulates pituitary release of endogenous growth hormone in a pulsatile manner.

Full guide →
§ 02

Key facts

factGHK-CuTesamorelin
category
·skin & hairgrowth·
half-life
·—~30 minutes (with sustained pituitary effect)·
research dosing
·Topical at 0.05–0.2% concentration; subcutaneous research uses 1–2 mg.Research literature cites 1–2 mg daily subcutaneous, typically administered before bed.·
trending
search demand
●72/10065/100○
vendors stocking
●10○
aliases
·Copper peptide · Glycyl-L-histidyl-L-lysine-CuTH9507 · Egrifta·
§ 03

Use-case overlap

only ghk-cu
  • skin regeneration
  • hair growth
  • anti-aging
both

none

only tesamorelin
  • visceral fat reduction
  • GHRH analog research
  • HIV-associated lipodystrophy (FDA-approved indication)
§ 04

Where to buy

ghk-cu
GHK-Cu
1 verified vendor
Particle Peptides
See all vendors →
tesamorelin
Tesamorelin
0 verified vendors
See all vendors →
§ 05

Sources

  1. [01]GHK Peptide as a Natural Modulator· GHK-Cu
  2. [02]Effects of tesamorelin on visceral adipose tissue — JAMA· Tesamorelin
  3. [03]FDA approval label — Egrifta· Tesamorelin
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