Source comparisons
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Comparison
Primary Action Stimulates collagen/elastin synthesis via lysyl oxidase activation; modulates 4,000+ genes toward youthful expression profiles Neutralizes ROS (superoxide, H2O2, hydroxyl radicals); maintains GSH:GSSG rat…
Source: realpeptides.coComparison
GHK-Cu TGF-β pathway activation, copper delivery to enzymes 4,000+ genes including COL1A1, COL3A1, MMP-1, MMP-3 ~30 minutes (plasma) Indirect via SOD upregulation Real Peptides offers research-grade GHK-Cu synthesized w…
Source: realpeptides.coComparison
Topical GHK-Cu products are widely available and have a documented safety record spanning decades of over-the-counter cosmetic use. Injectable GLOW is a prescription-only compounded preparation with substantially higher…
Source: superpower.comComparison
Argireline (acetyl hexapeptide-3) and Matrixyl (palmitoyl pentapeptide-4) are the most frequently cited cosmetic peptide alternatives. Both are topical compounds. Argireline functions as a localized neuromodulator by in…
Source: superpower.comComparison
IV glutathione infusions for skin lightening are marketed widely but have been specifically flagged in peer-reviewed literature as contraindicated for lack of efficacy evidence and adverse side-effect profile. A 2025 sy…
Source: superpower.comComparison
GHK-Cu Dose 1–3 mg daily, reconstituted from lyophilized powder 2–5 mg applied transdermally after microneedling or chemical exfoliation 2 mg GHK-Cu SC + 1,000 mg glutathione IV weekly Subcutaneous achieves most consist…
Source: realpeptides.co