Condition · dermatology
Skin Improvement
Skin quality is influenced by sun protection, nutrition, sleep and topical actives. Some peptides such as GHK-Cu have topical human evidence for skin appearance.
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Evidence-ranked peptides
| Peptide | Use | Evidence |
|---|---|---|
| GHK-Cu GHK-Cu is an investigational peptide, analogue or research construct with evidence ranging from mechanistic studies to limited human trials. | Skin barrier and appearance human (topical) | Human2/5 Animal2/5 Safety2/5 3 verified refs |
| Acetyl Hexapeptide-1 A cosmetic peptide marketed for tanning, photoprotection and hair repigmentation through alpha-MSH-related melanogenesis. Independent human evidence is sparse. | Skin Improvement insufficient | Human2/5 Animal0/5 Safety0/5 1 verified ref |
| Acetyl Tetrapeptide-15 A topical cosmetic peptide marketed to reduce skin discomfort and hyperreactivity. Evidence is preliminary and largely supplier-associated. | Skin Improvement weak | Human1/5 Animal0/5 Safety0/5 1 verified ref |
| Melanotan Ii Melanotan Ii is an investigational peptide, analogue or research construct with evidence ranging from mechanistic studies to limited human trials. | Skin Improvement weak | Human0/5 Animal0/5 Safety0/5 0 verified refs |
| GHK-Cu Topical GHK-Cu Topical is used or marketed in topical cosmetic formulations, with peptide-specific clinical evidence that is limited or formulation-dependent. | Skin Improvement insufficient | Human0/5 Animal0/5 Safety0/5 0 verified refs |
| Acetyl Tetrapeptide-5 A cosmetic peptide marketed for under-eye puffiness and dark circles. Independent peptide-specific clinical evidence is insufficient. | Skin Improvement insufficient | Human0/5 Animal0/5 Safety0/5 0 verified refs |
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Current standard management
conventional medicineEvidence-based non-peptide options — including exercise, sleep, nutrition, physiotherapy and licensed medical treatments — often have stronger human evidence than research peptides.
Medical disclaimer —Standard-of-care information is educational only. Do not change or start treatment based on Atlas content. Always consult a qualified clinician for personal medical decisions.
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Linked mechanisms
biological pathways discussed for this condition- Sensory neuropeptide modulationlimited
- Vascular permeability and fluid-balance modulationlimited
- Collagen synthesislimited
- Wound repairlimited
- Melanocortin signallinglimited
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Community observations
No approved community reports for this condition yet. Submit one.
Clinician discussion
Questions you can ask a qualified clinician
- What are the established evidence-based options for this condition?
- What monitoring is appropriate before considering any experimental intervention?
- What long-term safety data exists for peptide-based approaches?
- Are there licensed medicines relevant to my situation?
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Explore further
from the knowledge graphPeptides that touch this