Peptides

R-Salmon Oligopeptide-1

INCI: R-SALMON OLIGOPEPTIDE-1

Reviewed by Emma · Last updated 2 Jun 2026

Also known as: R-salmon Oligopeptide-1

A peptide antioxidant derived from salmon with skin-protecting properties

Best For Skin Types

All, Mature, Sensitive

Addresses

Fine lines, Sensitivity, Barrier repair

Usage Frequency

Daily

What Is R-Salmon Oligopeptide-1?

R-Salmon Oligopeptide-1 is a peptide derived from salmon sources, composed of short chains of amino acids. Peptides are fragments of proteins that can penetrate the skin more readily than larger protein molecules, making them a common addition to skincare formulations.

This ingredient functions primarily as an antioxidant and skin protectant. Antioxidants work by neutralising free radicals—unstable molecules that can damage skin cells and contribute to visible signs of ageing. By offering this protective action, R-Salmon Oligopeptide-1 may help support the skin's natural defence mechanisms.

Benefits for Your Skin

How It Works

As an antioxidant peptide, R-Salmon Oligopeptide-1 works by donating electrons to free radicals, stabilising them and preventing them from damaging skin cells. This oxidative damage accumulates over time and is a key factor in visible ageing, inflammation, and skin barrier deterioration.

The peptide structure allows this ingredient to penetrate the outer layers of skin more effectively than larger protein molecules, potentially delivering its protective benefits where they're needed most.

Clinical Evidence & References

Research into peptides and growth factors has shown promising results for wound healing and skin repair in controlled settings. Evidence suggests that peptides can support skin regeneration processes, though the specific clinical data on R-Salmon Oligopeptide-1 in skincare formulations remains limited in published literature.

Whilst antioxidant protection is well-established as beneficial for skin health, more targeted studies on this particular ingredient would help clarify its efficacy in cosmetic concentrations and real-world skincare routines.

How to Use

R-Salmon Oligopeptide-1 is typically found in serums, moisturisers, and treatment products. It works well in formulations alongside other antioxidants and can be used daily as part of a routine. For best results, apply to clean skin before heavier creams to allow proper penetration.

Safety & Precautions

Generally well-tolerated in cosmetic formulations. Those with fish allergies should exercise caution, though topical application carries lower risk than ingestion.

Frequently Asked Questions

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