Acetyl Tetrapeptide-5
An eye-area peptide often marketed for puffiness and tired-looking under-eyes.
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✨ real molecule sketch
Spotted this on a label?
Acetyl Tetrapeptide-5
That’s the INCI name—the official way it appears on the back of your serum or cream. Same ingredient, different marketing names.
Structure (cute edition)
✨ real molecule sketch
Four amino acids—often pitched for eye-area puffiness (Eyeseryl).
INCI: ACETYL TETRAPEPTIDE-5 · ~4 amino acids in our simplified view
Research & public records
Counts and links from public databases (PubMed, ClinicalTrials.gov, Wikidata, NIH drug nomenclature). Educational only — not medical advice.
Knowledge base: chemical compound
ChEMBL: SULFAMETHOXYPYRIDAZINE ACETYL · max phase -1.0
What brands say it does
Brands position this peptide to improve fluid drainage around the eyes and reduce the look of bags and puffiness. It is a supporting ingredient—helpful in a good eye cream, not a substitute for sleep or allergies treatment.
Where you’ll find it
Eye gels, depuffing serums, and brightening eye treatments.
Other names you might see
Eyeseryl
Acetyl Tetrapeptide-5
Compare with similar peptides
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Educational only—not medical advice. Results vary; talk to a dermatologist for personal recommendations.