INDIVIDUAL PEPTIDES
Acetyl Octapeptide-3 is an eight-amino-acid cosmetic peptide for expression-line formulation briefs. Compare it with Acetyl Hexapeptide-8, review the intended material format, and discuss the documents, sample quantity or quotation needed for your project.
On this page Overview Identity Review Questions Enquire →
- Catalogue reference
- KI-026
- Product family
- Individual peptides
- CAS reference
- 868844-74-0
- Public INCI identity reference
- Acetyl Octapeptide-3
The public overview identifies the catalogue material. Confirm the supplied grade, full composition and current batch specifications in the supplier documents.
Development directions
Consider for targeted expression-line and facial-texture development. The practical selection question is how the offered peptide preparation fits your formula, processing conditions and cosmetic evaluation plan.
Possible formulation formats
- Targeted facial line-care serum
- Expression-line concentrate
- Facial cream with a peptide development brief
Formulation concepts for evaluation. Review the supplied material and finished formula against the intended cosmetic use.
Identity and supplied form
CAS 868844-74-0 identifies the reference sequence Ac-Glu-Glu-Met-Gln-Arg-Arg-Ala-Asp-NH2. Its two additional residues distinguish it from Acetyl Hexapeptide-8; they do not specify an offered solution’s concentration, carrier or performance.
A comparison based on material identity
The reference structure contains eight amino-acid residues and shares the opening six-residue sequence with Acetyl Hexapeptide-8. This relationship helps organize a material comparison, but it is not a head-to-head efficacy result. Evaluate the exact preparations, their documentation and the intended finished formulas before choosing a candidate.
Compare related peptide options
Ask whether an offer describes the individual peptide or a ready-made peptide solution. The same peptide name can appear in different preparations; compare content, complete INCI, carriers and test conditions before comparing price or addition level.
Formulation review priorities
| Review point | What to establish |
|---|---|
| Like-for-like comparison | Compare Acetyl Octapeptide-3 and Acetyl Hexapeptide-8 on a stated peptide-content basis, not just solution percentage. |
| Carrier and compatibility | Request the offered preparation’s complete composition and relevant processing and compatibility guidance. |
| Claim development | Define the cosmetic appearance benefit and evidence needed for the final formulation. |
Explore the next selection question
Public reference sources
PubChem: Acetyl Octapeptide-3 reference structure →
PubChem: Acetyl Hexapeptide-8 comparison identity →
Reference review: 23 October 2026. Public references describe ingredient identity and research context. Confirm the current offered preparation and its documentation for your project.
Questions for your brief
- Are you comparing this peptide with Acetyl Hexapeptide-8?
- Which supplied form and peptide-content basis do you need?
- What sample quantity and evaluation timeline are planned?
Is an octapeptide automatically more effective than a hexapeptide?
Amino-acid count describes a structural difference. It does not establish superior cosmetic performance. A meaningful comparison needs the actual material preparations, concentration basis and relevant testing.
What should a quotation request specify?
Include Acetyl Octapeptide-3 and CAS 868844-74-0, the intended material form, quantity, destination and documents needed. If you have a reference solution, identify its full composition and peptide-content basis for comparison.
Compare the material for your next formula
Share the reference ingredient you are evaluating, your serum or cream format and the quantity required. Start a sample enquiry, request the relevant documents or ask for a quotation on a clearly stated material basis.