A technical guide to Acetyl Tetrapeptide-5 for under-eye puffiness concepts, including sourcing, packaging and claims. Written for cosmetic brands, formulators, distributors and professional B2B buyers.
Ingredient and consumer intent
Acetyl Tetrapeptide-5 is frequently selected for eye products positioned around under-eye puffiness and a refreshed appearance. Consumers may also search dark circles and eye bags, but those concerns have multiple causes. A cosmetic formula should define the exact visible endpoint it is designed and tested to address.
Trade name and INCI
The trade name Eyeseryl is associated with a particular commercial ingredient; it should not be used for every material bearing the Acetyl Tetrapeptide-5 INCI. Confirm manufacturer, grade, trademark status, complete composition, active basis and evidence package.
Build the eye-serum base
Use a light, low-migration texture with balanced humectants and minimal tack. Caffeine and selected brightening ingredients may support the broader eye story, but each addition changes pH, tolerance and claim attribution. Avoid unnecessary fragrance near the eye.
Applicator decisions
Metal tips, rollers, pumps and precision nozzles create different doses and cooling experiences. Cooling can provide temporary sensory benefit but is not proof of peptide activity. Validate applicator hygiene, wiper fit, leakage, dose and compatibility.
Safety and preservation
Complete preservative efficacy and a qualified eye-area safety assessment on the final package. Ophthalmologist-tested wording requires an actual documented protocol. Clear warnings should address direct eye contact and discomfort.
Claims substantiation
Separate immediate cooling and hydration from gradual changes in puffiness appearance. Use standardized photography, expert grading or instrumental methods appropriate to the claim. Do not imply treatment of medical edema.
Supplier checklist
Request INCI, grade, active basis, carrier, preservative, pH, storage, specification, COA, SDS, MOQ, lead time and authorized claim support before formula approval.
Need a product-specific specification?
Send the peptide, format, quantity, packaging and destination market. We will confirm composition, MOQ, documents and sample options.
Ask the B2B TeamPublished August 13, 2026. Educational B2B content; not medical advice.