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Topically applied GHK as an anti-wrinkle peptide: Advantages, problems and prospective
Seyedeh Maryam Mortazavi1, Seyyed Ali Mohammadi Vadoud2, Hamid Reza Moghimi1,3
1Department of Pharmaceutics and Pharmaceutical Nanotechnology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Bioimpacts : BI
|February 18, 2025
Summary
Glycyl-histidyl-lysine peptide (GHK) shows anti-wrinkle effects and aids tissue regeneration. While derivatives like GHK-Cu and Pal-GHK are used in cosmetics, further research is needed to confirm their clinical effectiveness and optimize skin penetration for anti-wrinkle benefits.
Area of Science:
- Dermatology and Cosmetic Science
- Biochemistry of Peptides
- Skin Permeation Studies
Background:
- Peptides, particularly glycyl-histidyl-lysine peptide (GHK), are recognized for their potential as anti-wrinkle agents.
- GHK exhibits properties such as tissue regeneration, collagen synthesis enhancement, and angiogenesis promotion, suggesting efficacy in wound healing and wrinkle reduction.
- GHK derivatives, GHK-Cu and Pal-GHK, are prevalent in anti-wrinkle products, yet comprehensive data on their skin penetration and effectiveness is limited.
Purpose of the Study:
- To evaluate the effectiveness of GHK in wrinkle prevention and reduction.
- To determine if the skin permeability of GHK is sufficient for topical anti-wrinkle action.
- To review existing methods for enhancing skin permeation of peptides.
Main Methods:
- Review of cellular and in vitro studies on GHK and its derivatives.
- Analysis of literature regarding skin permeation of peptides.
- Examination of formulation challenges for peptide-based cosmetic ingredients.
Main Results:
- Cellular studies confirm GHK's anti-wrinkle capabilities.
- GHK-Cu and Pal-GHK show promise, but clinical studies are notably absent.
- Strategies like metal complexation, hydrophobic modification, cell-penetrating peptides, and microneedle pretreatment can enhance peptide skin permeability.
- Peptides present formulation challenges due to their hydrophilic and unstable nature.
Conclusions:
- GHK is a viable anti-wrinkle ingredient based on cellular evidence.
- GHK-Cu and Pal-GHK demonstrate potential, but their clinical efficacy requires further investigation.
- Enhanced skin permeability is achievable for GHK and its derivatives through various methodologies, addressing a key limitation for topical application.
