Oligopeptide-127: 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-127?

Oligopeptide-127 is a lab made chain of 12 amino acids arranged in a specific order of arginine, glutamine, glycine, lysine and tyrosine. Scientists first explored short peptides like this in the early 2000s while looking for gentle yet effective skin revitalizers that could fit into everyday beauty products. Today it is produced through solid phase peptide synthesis, a step by step method that links each amino acid in a controlled environment to guarantee purity and consistency. Once the chain is complete it is purified, dried and blended into cosmetic bases.

You will most often spot Oligopeptide-127 in lightweight serums, anti aging creams, sheet masks, eye treatments and recovery moisturizers aimed at giving the skin a smoother healthier look. Because it is water soluble formulators can add it to gels, lotions or emulsions without altering texture or scent.

Oligopeptide-127’s Cosmetic Benefits/Uses

In formulas Oligopeptide-127 serves one main purpose: skin conditioning. By binding to the surface it helps the complexion feel softer and appear more supple which can enhance the overall sensory experience of a product

Who Can Use Oligopeptide-127

Oligopeptide-127 is generally well suited for all skin types including dry, normal, combination, oily and even sensitive skin because it is light water based and free of common irritants. People with extremely reactive or allergy prone skin should still be cautious if they know they do not tolerate peptides well.

The peptide is made entirely through synthetic processes without animal sourced components so it is considered suitable for both vegans and vegetarians.

Current data shows no specific concerns for women who are pregnant or breastfeeding when Oligopeptide-127 is applied topically in typical cosmetic strengths. That said this is not medical advice and anyone who is pregnant or nursing should confirm product choices with a qualified healthcare provider.

Oligopeptide-127 does not trigger photosensitivity so it will not make skin more vulnerable to sunburn. Standard daytime sun protection is still recommended for overall skin health.

Potential Side Effects/Adverse Reactions

Responses to any cosmetic ingredient can differ from person to person. The effects listed below are possible yet unlikely for most users when the product is formulated and used as directed.

  • Mild redness or warmth right after application
  • Temporary itching or tingling on very sensitive skin
  • Rare allergic reaction resulting in localized swelling or hives
  • Breakout flare if the finished product contains other pore clogging ingredients

If you notice persistent irritation stop using the product and consult a healthcare professional.

Comedogenic Rating

Rating: 0/5. Oligopeptide-127 is a small water soluble peptide that does not form an occlusive film or add extra oil to the skin so it is considered non comedogenic. It rinses off easily and is usually blended into lightweight formulas that do not trap debris in pores. This makes it suitable for people who are prone to acne or frequent breakouts. Because it is typically used at very low concentrations there is little risk of it building up on the skin or mixing with sebum in a way that could clog pores.

Summary

Oligopeptide-127 is primarily a skin conditioning agent that helps skin feel softer and look healthier by sitting on the surface and smoothing rough texture. It does this without heavy oils or waxes thanks to its short chain of amino acids that dissolve in water and spread evenly across the skin. Although effective it is not yet a household name and you will mostly find it in niche serums and specialty creams rather than every mainstream product on the shelf. Existing safety data shows it to be low risk for irritation or pore blockage when used as directed. As with any new skincare ingredient it is smart to perform a quick patch test before full use to make sure your skin agrees with it.

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