Skin, Hair & AestheticAn evidence-graded ranking of the topical matrikine and copper peptides marketed for collagen, elastin and firmness — GHK-Cu, Matrixyl, palmitoyl tripeptide-1 and Synthe'6 — separating small human RCTs from in-vitro mechanism and marketing.
Skin, Hair & Aesthetic13 MIN READ
Skin, Hair & AestheticAn evidence-graded ranking of the peptides marketed for cellulite — oral collagen peptides, GHK-Cu, AOD-9604 and HGH Fragment 176-191 — separating the one modest human signal from mechanism, marketing and WADA-banned research chemicals.
Skin, Hair & Aesthetic12 MIN READ
Injuries & OrthopedicsAn evidence-graded review of the peptides marketed for cartilage and meniscus repair. The honest 2026 verdict: no peptide has a placebo-controlled human trial showing cartilage regrowth or meniscus repair, and the only controlled human data belongs to pentosan polysulfate — which is not even a peptide.
Injuries & Orthopedics13 MIN READ
Injuries & OrthopedicsLL-37, GHK-Cu, thymosin β4/TB-500 and BPC-157 all have real wound-healing biology — but not a single controlled human burn trial. A clinical-editorial ranking of what the evidence actually supports in 2026.
Injuries & Orthopedics12 MIN READ
Injuries & OrthopedicsA clinical, evidence-ranked look at the peptides marketed for back injury, spinal soft-tissue repair, and disc health — what the published data actually supports, and what is marketing.
Injuries & Orthopedics12 MIN READ
Immune, Gut & LongevityAn evidence-first ranking of the peptides most studied for aging and healthspan — elamipretide, GHK-Cu, thymalin, epitalon and MOTS-c — separating real human data from rodent and in-vitro hype.
Immune, Gut & Longevity12 MIN READ
Skin, Hair & AestheticAn evidence-graded ranking of the peptides studied for atrophic acne scarring — copper tripeptide, the TriHex matrikine blend, and Matrixyl — separating the small human adjunct data from in-vitro mechanism and marketing.
Skin, Hair & Aesthetic12 MIN READ
Peptide EncyclopediaA clinical monograph on GHK-Cu (copper tripeptide-1) — the endogenous copper-binding peptide with genuine topical human data for skin and wound healing, and a speculative injectable story with no controlled human evidence.
Peptide Encyclopedia12 MIN READ
Peptide EncyclopediaCopper Tripeptide-1 is the cosmetic INCI name for GHK-Cu. This monograph covers its regulatory identity, the CIR safety review, topical skin-penetration science, formulation rules, and the cosmetic-vs-drug line that governs how it can legally be sold.
Peptide Encyclopedia9 MIN READ