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Signal peptide

TETRAPEPTIDE-57

78

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

A four-amino-acid signal peptide marketed to support collagen and elastin in aging skin. Falls into a peptide class with promising data, though brand-specific efficacy varies.

Function

SKIN CONDITIONING

Skin benefits

  • Signal peptide marketed for collagen and elastin support
  • Aims to firm and smooth aging skin
  • Small peptide size may enable upper-layer skin penetration
  • Fits an evidence-supported peptide ingredient class

Known concerns

  • Specific clinical data for tetrapeptide-57 are limited in public literature
  • Most efficacy claims come from supplier studies
  • Stability in formulation requires careful pH and preservation
  • Often under-dosed below the effective concentration

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

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Check your shelf

Find TETRAPEPTIDE-57 in your products.

Scan any cosmetic product with LuxSense to see if it contains TETRAPEPTIDE-57 and get a full ingredient breakdown with safety scores.

This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.