Oligopeptide-89: What Is It, Cosmetic Uses, Benefits & Side Effects

Curious about this ingredient? In this article we're explaining exactly what it is and why it's used within cosmetic formulations.
Updated on: June 30, 2025
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We verify all information on this page using publicly available nomenclature standards from The Personal Care Products Council (PCPC), the European Commission's CosIng database and documentation provided directly by ingredient manufacturers. Our analysis is based on technical data from these sources to ensure accuracy and reliability.

What Is Oligopeptide-89?

Oligopeptide-89 is a lab produced chain of 15 amino acids that include arginine, asparagine, aspartic acid, glycine, histidine, leucine, lysine, serine, threonine, tyrosine and valine. Peptide technology gained popularity in the early 2000s as brands searched for gentler ways to boost skin appearance. Scientists discovered that short strings of amino acids could signal the skin to behave more youthfully, and Oligopeptide-89 emerged from this research as a tightly focused option for surface level benefits.

Production begins in a controlled lab setting where each amino acid is added one at a time in a set sequence, a process called solid phase peptide synthesis. Once the chain is complete it is purified, dried and blended into a water based solution that can be mixed into skincare formulas.

Because of its skin friendly size and stability, Oligopeptide-89 is often included in lightweight serums, anti aging moisturizers, sheet masks and targeted treatment ampoules. It is prized for working well with other active ingredients without raising irritation risk, making it a flexible add-on for both daily and periodic use products.

Oligopeptide-89’s Cosmetic Benefits/Uses

In topical products Oligopeptide-89 serves one main purpose that can make a noticeable difference in how skin looks and feels.

Skin conditioning: This peptide helps the surface of the skin hold on to water and feel smoother, which can translate into a plumper, softer complexion. By supporting the skin’s moisture balance it can also enhance the spreadability of a formula, allowing other beneficial ingredients to absorb more evenly.

Who Can Use Oligopeptide-89

Oligopeptide-89’s gentle nature means it suits most skin types including dry, oily, combination and sensitive skin because it conditions without changing oil production or stripping the barrier. There are no known reasons it would be unsuitable for any particular skin type when used at the low percentages typically found in cosmetics.

The peptide is produced entirely in a lab from individual amino acids so it contains no animal derived material, which makes it acceptable for both vegans and vegetarians. Of course the final product’s overall cruelty status depends on each brand’s policies.

Current data shows no specific risks for pregnant or breastfeeding women when the peptide is applied topically, as its large molecular size limits absorption. This is not medical advice and anyone who is pregnant or nursing should still check with a healthcare professional before adding new skincare to their routine.

Oligopeptide-89 does not make skin more sensitive to sunlight, so it is safe for daytime use without raising the risk of sunburn or pigmentation. It is also stable across the pH range of most skincare formulas and pairs well with common actives like niacinamide, hyaluronic acid and non-acid forms of vitamin C.

Potential Side Effects/Adverse Reactions

Side effects and reactions to the topical use of Oligopeptide-89 can vary from person to person. The points below outline potential issues yet these outcomes are uncommon. When the ingredient is correctly formulated most users will not notice any negative effects.

  • Mild redness or warmth at the application site
  • Temporary itching or tingling as the product settles
  • Dry patches if the overall formula lacks adequate moisturizers
  • Rare allergic contact dermatitis in individuals sensitive to one of the preserved ingredients in the finished product

If any persistent irritation or discomfort occurs stop using the product and consult a qualified healthcare provider.

Comedogenic Rating

Rating: 0/5

Oligopeptide-89 is a small, water soluble peptide that does not leave an occlusive film or add extra oil to the skin, so it has virtually no pore clogging potential. Its job is to condition the skin’s surface rather than sit inside follicles, giving it a non-comedogenic profile. People who are prone to acne or breakouts can generally use products containing Oligopeptide-89 without worrying about clogged pores. As always, the overall formula matters so look at the full ingredient list if congestion is a concern.

Summary

Oligopeptide-89 is a lab crafted 15-amino-acid peptide used mainly for skin conditioning. By improving water retention at the surface it helps skin feel smoother and look plumper which can enhance the performance of other actives in the same product. While peptides in general enjoy steady popularity in skincare, Oligopeptide-89 itself is less of a household name and appears mostly in targeted serums or masks rather than mass market creams.

Safety data shows it is well tolerated across skin types with a very low risk of irritation or comedogenicity. Even so, it is smart to patch test any new product to make sure your skin agrees with the full formula.

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