Oligopeptide-187: 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
Share:
Inside this article:

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-187?

Oligopeptide-187 is a lab made chain of 12 amino acids built from isoleucine, leucine, lysine, phenylalanine and tyrosine. Because it is synthetic it can be produced with high purity and consistency, traits that help skin care brands control quality from batch to batch. Peptide technology first gained traction in the beauty world in the early 2000s when researchers discovered that short chains of amino acids could support healthier looking skin. Since then Oligopeptide-187 has been refined for topical use and is now included in many over the counter formulas.

To create the ingredient, chemists string together the amino acids in a specific order using solid phase peptide synthesis, a method that lets them build the chain one unit at a time and wash away impurities along the way. The final peptide is then purified, dried and blended into a water based or anhydrous carrier so it can mix smoothly into creams and serums.

You are most likely to spot Oligopeptide-187 in leave-on products that aim to keep skin fresh such as lightweight moisturizers, face masks, toners and post-cleansing sprays. It may also appear in targeted treatments designed to support a balanced complexion.

Oligopeptide-187’s Cosmetic Benefits/Uses

This peptide’s main role in skin care is its antimicrobial power. By helping limit the growth of unwanted surface bacteria it supports a cleaner product environment which in turn can reduce the chance of spoilage and keep the formula gentle on the skin.

Who Can Use Oligopeptide-187

Thanks to its gentle profile Oligopeptide-187 can fit into routines for oily, combination, dry and normal skin. Its antimicrobial edge is especially handy for blemish prone complexions because it helps keep the surface environment balanced. Very sensitive skin may want to introduce it slowly since any new peptide can lead to redness in a small number of people but most users find it comfortable.

Because the peptide is made entirely in a lab without animal or animal derived material it is suitable for both vegans and vegetarians.

Current safety data points to low risk during pregnancy or breastfeeding however this is not medical advice. Expectant or nursing mothers should check with their doctor before adding any new skincare product just to be safe.

The ingredient is not known to trigger photosensitivity so it can be used day or night. It also layers well with common actives like niacinamide, hyaluronic acid and most plant oils.

Potential Side Effects/Adverse Reactions

Skin responses differ from person to person. The points below list potential side effects of Oligopeptide-187 though most people will not experience them when the product is well formulated and used as directed.

  • Mild irritation – temporary tingling or discomfort shortly after application
  • Redness or flushing – a warm pink tone that usually settles once usage is reduced
  • Dry patches – in rare cases the antimicrobial action may disturb surface balance leading to flakiness
  • Allergic contact dermatitis – uncommon inflammatory reaction in individuals who are sensitive to one of the amino acids or other formula components
  • Interaction with live probiotic products – the antimicrobial nature could reduce the effectiveness of leave on items that rely on live cultures

If you notice any of the above issues stop use and seek advice from a healthcare professional.

Comedogenic Rating

Rating: 0 / 5
Oligopeptide-187 is a water-soluble peptide with no oily or waxy residues so it does not clog pores or create a film on the skin. Its molecules rinse or absorb easily and do not interact with sebum in a way that would trap debris in follicles. As a result it is considered non-comedogenic and is generally suitable for people prone to acne or frequent breakouts.

Because the peptide is often used at low concentrations and is paired with lightweight carriers its presence rarely shifts a formula toward a heavier texture. Any breakout experienced after using a product with Oligopeptide-187 is more likely tied to other ingredients such as rich emollients or fragrance.

Summary

Oligopeptide-187 is a lab crafted 12-amino-acid chain prized for its antimicrobial skill that helps keep formulas stable and supports a cleaner skin surface. By limiting unwanted bacteria it can assist in maintaining a balanced complexion especially in leave-on products aimed at freshness and clarity.

Despite the proven benefits peptides as a category remain a bit niche outside dedicated skincare circles so Oligopeptide-187 is not as well known as staples like niacinamide or vitamin C. Still it appears in an increasing number of toners serums and light moisturizers as brands look for gentle ways to boost product hygiene without heavy preservatives.

Current research and use reports point to a strong safety profile with low irritation potential for most skin types including sensitive and blemish-prone. As with any new cosmetic ingredient it is wise to perform a quick patch test when trying a product that contains Oligopeptide-187 to ensure personal compatibility.

Was this article helpful?
More from Glooshi:
ADVERTISEMENT
Get all our top headlines in beauty.
Delivered right to your inbox each week. Zero spam, all goodness, opt-out at anytime.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Get the latest beauty news, top product recommendations & brand-exclusive discount codes direct to your inbox.
Send good feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Send bad feedback:

All feedback is greatly appreciated, anonymous, and will be used to improve the quality of our articles.

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Search