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peptide comparison · skin & hair × healing & repair

GHK-Cu vs TB-500

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 →

tb-500

TB-500

Thymosin Beta-4 fragment

Synthetic fragment of the naturally occurring thymosin beta-4. Researched for cell migration and tissue repair.

Full guide →

§ 02

Key facts

fact		GHK-Cu	TB-500
category	·	skin & hair	healing & repair	·
half-life	·	—	—	·
research dosing	·	Topical at 0.05–0.2% concentration; subcutaneous research uses 1–2 mg.	Research literature cites 2–5 mg twice weekly for 4–6 weeks.	·
trending search demand	●	72/100	68/100	○
vendors stocking	·	1	1	·
aliases	·	Copper peptide · Glycyl-L-histidyl-L-lysine-Cu	Thymosin Beta-4 fragment	·

§ 03

Use-case overlap

only ghk-cu

skin regeneration
hair growth
anti-aging

both

none

only tb-500

recovery
tissue repair

§ 04

Where to buy

ghk-cu

GHK-Cu

1 verified vendor

Particle Peptides

See all vendors →

tb-500

TB-500

1 verified vendor

Particle Peptides

See all vendors →

§ 05

Sources

[01]GHK Peptide as a Natural Modulator· GHK-Cu
[02]Thymosin beta 4 and its actin-binding partners· TB-500

Other peptide matchups

peptide matchupBPC-157 vs GHK-Cuhealing × skin peptide matchupBPC-157 vs Retatrutidehealing × metabolic peptide matchupBPC-157 vs Semaglutidehealing × metabolic

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