Peptide research and clinical studies behind P11.

Effects of GHK-Cu on MMP and TIMP Expression, Collagen and Elastin Production, and Facial Wrinkle Parameters — Badenhorst et al. (2016), Journal of Aging Science

Role of Topical Peptides in Preventing or Treating Aged Skin — Gorouhi & Maibach (2009), International Journal of Cosmetic Science

Role of Topical Peptides in Preventing or Treating Aged Skin — Gorouhi & Maibach (2009), International Journal of Cosmetic Science

Cosmeceutical Peptides in the Framework of Sustainable Wellness Economy — Errante et al. (2020), Frontiers in Chemistry

A Synthetic Hexapeptide (Argireline) with Antiwrinkle Activity — Blanes-Mira et al. (2002), International Journal of Cosmetic Science

The Anti-Wrinkle Efficacy of Argireline — Wang et al. (2009), Journal of Cosmetic and Laser Therapy

The Efficacy Study of the Combination of Tripeptide-10-Citrulline and Acetyl Hexapeptide-3 — Raikou et al. (2017), Journal of Cosmetic Dermatology

A New Decorin-Like Tetrapeptide for Optimal Organization of Collagen Fibres — Puig et al. (2008), International Journal of Cosmetic Science

A serum containing vitamins C & E and a matrix-repair tripeptide reduces facial signs of aging as evidenced by Primos analysis and frequently repeated auto-perception — Lintner et al. (2020), Journal of Cosmetic Dermatology

A Face Serum Containing Palmitoyl Tripeptide-38 Improves Skin Quality — West et al. (2021), Journal of Cosmetics, Dermatological Sciences and Applications

Synergistic Action of a Triple Peptide Complex on an Essential Extracellular Matrix Protein Exhibits Significant Anti-Aging Benefits — Byrne et al. (2010), Journal of Cosmetic Dermatology

The Efficacy Study of the Combination of Tripeptide-10-Citrulline and Acetyl Hexapeptide-3 — Raikou et al. (2017), Journal of Cosmetic Dermatology

Clinical Evidence of the Efficacy and Safety of a New Multi-Peptide Anti-Aging Topical Eye Serum — Li et al. (2023), Journal of Cosmetic Dermatology

A Serum Containing Vitamins C & E and a Matrix-Repair Tripeptide Reduces Facial Signs of Aging — Lintner et al. (2020), Journal of Cosmetic Dermatology

Bioactive Tetrapeptide GEKG Boosts Extracellular Matrix Formation: In Vitro and In Vivo Molecular and Clinical Proof — Farwick et al. (2011), Experimental Dermatology

Elastin-Derived Peptide Hydrogels for Sustained Dermal Delivery of Tetrapeptide-21 — ScienceDirect (2025)

Effect of a Topical Collagen Tripeptide on Antiaging and Inhibition of Glycation of the Skin: A Pilot Study — Choi et al. (2022), International Journal of Molecular Sciences

Collagen-Derived Dipeptide, Proline-Hydroxyproline, Stimulates Cell Proliferation and Hyaluronic Acid Synthesis in Cultured Human Dermal Fibroblasts — Ohara et al. (2010), Journal of Dermatological Science